问题如下图：
选项：
A. 
B. 
C. 
解释：
A为什么正确？B为什么不对？
NO.PZ2018062001000011问题如下Tim, analyst of investment company, says \" Normstribution is wily usein quantitative analysis. For example, it cillustrate the stribution of assets returns anasset prices.\" Is Tim correct?A.Incorreabout illustrate the stribution of asset prices.B.Incorreabout illustrate the stribution of assets returns.C.Correct.A is correct.Normstribution cuseto illustrate the asset return stribution. However, asset prices are always greater thzero. Lognormstribution will more suitable for asset prices stribution.asset price是负数么，return 是正有负吧
NO.PZ2018062001000011问题如下 Tim, analyst of investment company, says \" Normstribution is wily usein quantitative analysis. For example, it cillustrate the stribution of assets returns anasset prices.\" Is Tim correct?A.Incorreabout illustrate the stribution of asset prices.B.Incorreabout illustrate the stribution of assets returns.C.Correct.A is correct.Normstribution cuseto illustrate the asset return stribution. However, asset prices are always greater thzero. Lognormstribution will more suitable for asset prices stribution.B不就是说题目是错的，正态分布拟合了收益的分布么
