替格瑞洛激活与代谢途径是（)A.前体药（经肝脏两步代谢)B.前体药（经肝脏一步代谢)C.活性药D.前

替格瑞洛激活与代谢途径是()

A.前体药(经肝脏两步代谢)

B.前体药(经肝脏一步代谢)

C.活性药

D.前体药(经CYP2C9代谢)