急性左心衰时，RAP/CVP比值与PCWP变化为：（）。

A.降低，阵低

B.降低，升高

C.不变或降低，降低

D.不变或升高.升高

E.升高，升高

Though he doesn’t achieve his goals, he is not a failure． ____, he is remembered as a true hero．

A．In particular

B．On the contrary

C．Generally speaking

D．To be honest