Which of the following statements is most correct? ( )
选项：

A:If a coupon bond is selling at par, its current yield equals its yield to maturity.
B:Statements b and c are correct.
C:If rates fall after its issue, a zero coupon bond could trade for an amount above its par value.
D:If a bond is selling for a premium, this implies that the bond’s yield to maturity exceeds its coupon rate.
E:None of the statements above is correct.