— How about a film tonight?

— __________ I haven’t been to the cinema for a long time.

A．Yes, thanks.

B．Why not?

C．No, go away.

D．It’s a pity.

具有改善性功能作用的药物是（）

A.附子

B.肉桂

C.干姜

D.桂枝

E.乌头