I would rather you _______me the truth; then what has happened would not have happened.

A．to tell

B．tell

C．told

D．had told

下述哪种心脏病不是由风湿病引起的（）

A.二尖瓣狭窄

B.二尖瓣关闭不全

C.缩窄性心包炎

D.高血压性心脏病

E.主动脉瓣狭窄