Which of the following statements is incorrect?

A. If investors become less risk averse, SML does not move, but its slope becomes less steep.

B. If investors become less risk averse, SML does not move up or down, but its slope becomes less steep.

C. A portfolio consists of two or more different assets

D. The most common measure of risk in individual stocks is standard deviation, although coefficient variation is the more appropriate measure

E. SML will make a parallel shift upwards when inflation decreases.