The return of portfolio A is 25%, the market risk premium is 13%, the volatility of the market portfolio is 14%, and the risk-free rate is 5.5%. Portfolio A has a beta of 1.5. According to the capital asset pricing model, which of the following statements is true?
　　A.    The expected Return of Portfolio A is less than the expected return of the market portfolio.
　　B.    The expected return of Portfolio A is greater than the expected return of the market portfolio.
　　C.    The return of Portfolio A has lower volatility than the market portfolio.
　　D.    The expected return of Portfolio A is equal to the expected return of the market portfolio.
　　Answer: B
　　According to the CAPM, the required return of Portfolio A is
　　While the expected return on the market is
　　Therefore, the expected return of Portfolio A is greater than the expected return of the market portfolio.