—Mary,whyareyoustillhere?Theyareallreadytostart.  —Iams...

问题详情：

—Mary, why are you still here? They are all ready to start.

   — I am sorry, but I _______ when to leave.

A. didn’t tell       B. don’t tell      C. wasn’t telling    D. wasn’t told

【回答】

D

知识点：动词语态

题型：选择题