单选题 A portfolio is equally invested in Stock A, with an expected return of 6 percent, and Stock B, with an expected return of 10 percent, and a risk-free asset with a return of 5 percent. The expected return on the portfolio is:
【正确答案】 C
【答案解析】333×0.06+0.333×0.10+0.333×0.05=0.07.