Which of the following statements is correct?

A. Everything else the same, a 10-year 9% coupon bond has greater duration than that of a 5-year 9% coupon bond B. Everything else the same, a 10-year 9% coupon bond has a lower price risk than that of a 7-year 9% coupon bond

C. Everything else the same, a 10-year 9% coupon bond has greater duration than that of a 10-year 3% coupon bond

D. Everything else the same, a 10-year 9% coupon bond has greater convexity than that of a 10-year 3% coupon bond