这题没弄懂，哪位老师能中文再解释一下。
问题如下图：
选项：
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C. 
解释：
NO.PZ2017100901000025 问题如下 A prois part of a priinx baseon a fixeconsumption basket. If, over time, the proct’s quality improves while its pristays constant, the measureinflation rate is most likely: A.unaffecte B.biaseupwar C.biasewnwar B is correct. the quality of a proimproves, it satisfies people’s nee anwants better. The measureinflation rate is skewehigher thotherwise unless austment is ma for the increase in the quality of the goo Even if the goos prihincreaseover time, the improvements in quality woulstill bithe measureinflation rate upwar考点 inflation Measurement解析更好质量的产品应该对应更高的价格水平，现在物价水平没有变动，但是质量变好了。那么经过审慎思考的通胀率( measureinflation rate )就应该上调当前通胀率的数值，以此来反应商品质量的进步。 题目问的是\"the measure" 也就是根据价格不上调而得到的inflation rate，那么肯定是低估的解析都在说实际的应该怎么样，请问哪里看出来是在问实际的inflation rate ？？
NO.PZ2017100901000025 问题如下 A prois part of a priinx baseon a fixeconsumption basket. If, over time, the proct’s quality improves while its pristays constant, the measureinflation rate is most likely: A.unaffecte B.biaseupwar C.biasewnwar B is correct. the quality of a proimproves, it satisfies people’s nee anwants better. The measureinflation rate is skewehigher thotherwise unless austment is ma for the increase in the quality of the goo Even if the goos prihincreaseover time, the improvements in quality woulstill bithe measureinflation rate upwar考点 inflation Measurement解析更好质量的产品应该对应更高的价格水平，现在物价水平没有变动，但是质量变好了。那么经过审慎思考的通胀率( measureinflation rate )就应该上调当前通胀率的数值，以此来反应商品质量的进步。 应该上调所以bi就是 wnwar啊不是吗？
NO.PZ2017100901000025问题如下A prois part of a priinx baseon a fixeconsumption basket. If, over time, the proct’s quality improves while its pristays constant, the measureinflation rate is most likely:A.unaffecteB.biaseupwarC.biasewnwar B is correct. the quality of a proimproves, it satisfies people’s nee anwants better. The measureinflation rate is skewehigher thotherwise unless austment is ma for the increase in the quality of the goo Even if the goos prihincreaseover time, the improvements in quality woulstill bithe measureinflation rate upwar考点 inflation Measurement解析更好质量的产品应该对应更高的价格水平，现在物价水平没有变动，但是质量变好了。那么经过审慎思考的通胀率( measureinflation rate )就应该上调当前通胀率的数值，以此来反应商品质量的进步。 因为质量变好了 所以目前价格低估了，那么现在的inflation被低估，所以不是biasewnwar？感觉这是个英语问题
NO.PZ2017100901000025 问题如下 A prois part of a priinx baseon a fixeconsumption basket. If, over time, the proct’s quality improves while its pristays constant, the measureinflation rate is most likely: A.unaffecte B.biaseupwar C.biasewnwar B is correct. the quality of a proimproves, it satisfies people’s nee anwants better. The measureinflation rate is skewehigher thotherwise unless austment is ma for the increase in the quality of the goo Even if the goos prihincreaseover time, the improvements in quality woulstill bithe measureinflation rate upwar考点 inflation Measurement解析更好质量的产品应该对应更高的价格水平，现在物价水平没有变动，但是质量变好了。那么经过审慎思考的通胀率( measureinflation rate )就应该上调当前通胀率的数值，以此来反应商品质量的进步。 产品价格不变，质量提升。就用智能手机的例子，以前6K买nokia,现在6K买iphone。请教这里inflation如何upwar
NO.PZ2017100901000025 问题如下 A prois part of a priinx baseon a fixeconsumption basket. If, over time, the proct’s quality improves while its pristays constant, the measureinflation rate is most likely: A.unaffecte B.biaseupwar C.biasewnwar B is correct. the quality of a proimproves, it satisfies people’s nee anwants better. The measureinflation rate is skewehigher thotherwise unless austment is ma for the increase in the quality of the goo Even if the goos prihincreaseover time, the improvements in quality woulstill bithe measureinflation rate upwar考点 inflation Measurement解析更好质量的产品应该对应更高的价格水平，现在物价水平没有变动，但是质量变好了。那么经过审慎思考的通胀率( measureinflation rate )就应该上调当前通胀率的数值，以此来反应商品质量的进步。 之前买一部手机，大概1000元左右，就可以买一台诺基亚手机。如今买一部手机，大概10000元左右，可以买一台IPhone Pro如果来衡量通胀，那么手机的价格上涨了10倍，通胀就是10倍。所以这种衡量方法，相对于合理值，是偏高的，也就是biaseupwar因为IPhone Pro的体验是诺基亚无法比拟的，虽然都是手机，但是商品的质量发生了巨大的改变。例子的biaseupwar偏高，但是提中biaseupwar上调的意思吗？可以麻烦老师用手机的例子，按题中的条件，讲解一下解题思路吗？之前买一部手机，大概1000元左右，就可以买一台诺基亚手机。如今买一部手机，大概还是1000元左右，可以买一台IPhone Pro
