问题如下:
Compared with the portfolios on the CML, which of the following statements about the portfolio above the CML is correct?
选项:
A. The portfolio above the CML is considered inferior.
B. The portfolio above the CML is considered inefficient.
C. The portfolio above the CML is considered unachievable.
解释:
C is correct.
Any portfolio that plots above the CML is unachievable, and any portfolio that plots below the CML is inferior to any point on the CML.
没太看懂什么意思,请老师讲一下题目的意思