—Iwastoldtobehereatthistime. —Sorry,you             .I...

問題詳情：

 — I was told to be here at this time.

 —Sorry, you              . I forgot to tell you we've changed the plan.

   A. mustn't                                   B. can't                             C. needn't             

【回答】

C

知識點：情態動詞

題型：選擇題