―Is that Miss Liu having dinner over there?―Itbe her. She has gone to New York for an impo

问题补充：

―Is that Miss Liu having dinner over there?

―Itbe her. She has gone to New York for an important business meeting.

A. mustn’t

B. needn’t

C. can’t

D. shouldn’t

答案：

A. mustn’t

B. needn’t

(答案→)C. can’t

D. shouldn’t

解析：本题回答语的含义是刘小姐去了纽约参加重要的会议，所以在那边吃饭的不可能是刘小姐，can’t表示不可能的含义，故本题选C。