_Listen!is thatKate playing the piano in the room?_No.It_be her.She has gone to Africa.

问题描述:

_Listen!is thatKate playing the piano in the room?_No.It_be her.She has gone to Africa.
A.may not B.needn't C.mustn't D.can't

选D can't 表示否定的推测 意思为“不可能”
A 不允许
B 没必要
C 禁止 mustn't不表示否定推测
所以选D
翻译:听!那是Kate在房间里弹钢琴吗?
不,不可能是她.她已经去非洲了.