An analyst gathers the following information about four stocks.

The analyst estimates that the risk-flee rate is 5%, and the return on the market portfolio is 12%. Based on the above inputs and the capital asset pricing model (CAPM) , which of the following statements about the valuation of the four stocks is most accurate Stock A Stock B Stock C Stock D()

A. Undervalued Overvalued Properly valued Undervalued

B. Undervalued Properly valued Overvalued Overvalued

C. Overvalued Properly valued Undervalued Undervalued

圆形物体在阳光下的投影不可能是（　　）

A．圆形

B．线段

C．矩形

D．椭圆形