Question

Edward, you play so well. But I __________ you played the piano.

A. didn’t know         B. hadn’t known

C. don’t know          D. haven’t known

Answer 1

A。

解析:

句意为：爱德华,你打得好。但我不知道你弹钢琴。所谈论的是指过去行为，故用过去式。