Hello! Could I please get some help on with this question! Thank you!!

A corporate bond is currently trading at a price that is above its par value. Which of the following statements is the BEST explanation of why this is happening? O A. The bond 's coupon rate is higher than its yield to maturity (WM). O B. Interest rates must have increased since the bond was issued. C) C. This. bond has become relatively more risky. C) D. The yield to maturity {YT M] is equal to investors' average required return on this bond