问题 选择题

It's no secret to us, but he alone is in the dark. It means ____.

A.nobody but him knows the secret

B.we all know the secret except him

C.it's so dark that he can't see everything clearly

D.only the needs to keep the secret

答案

.B 

in the dark表示“蒙在鼓里,一无所知”。

单项选择题
选择题