Which of the Following Is True

Which of the following is true?

A) When investing in coupon bonds,holding constant for risk,the bond with the highest yield is preferred.
B) The yield measures the expected return on a coupon bond.
C) The yield should not be used as the sole determinate for selecting among bonds for investment purposes.
D) Bond yields are always increasing in the bond's maturity.
E) A coupon bond's yield always exceeds the spot rate of interest.