Li Gang was required to apologizethe people present at the meeting what he had doneA. fo

问题补充：

Li Gang was required to apologizethe people present at the meeting what he had done．

A. for; by

B. with; about

C. to; for

D. at; with

答案：

A. for; by

B. with; about

(答案→)C. to; for

D. at; with

解析：

这题考查冠词的用法：考查词组：apologize to sb for sth“为某事向某人道歉”，句意是：李刚被要求为他所做的事向出席会议的人道歉。选C。