NO.PZ2015121801000079
问题如下：
The capital market line (CML) is the graph of the risk and return of portfolio combinations consisting of the risk-free asset and:
选项：
A.
any risky portfolio.
B.
the market portfolio.
C.
the leveraged portfolio.
解释：
B is correct.
Although the capital allocation line includes all possible combinations of the risk-free asset and any risky portfolio, the capital market line is a special case of the capital allocation line, which uses the market portfolio as the optimal risky portfolio.
何老师说每个人都有一个有效前沿，但我在有效前沿的绘制过程没看到有投资者的因素在，所以不解
