2013年自考《英语（二）》每日一练

单选题

1.—You were brave enough to raise objections at the meeting.

—Well，now I regret ________ that.

A.to do

B.to be doing

C.to have done

D.having done

正确答案：D

答案解析：regret后所跟动词有to do 与doing两种形式，不定式表示“为做某事而遗憾”，doing 表示“为做过某事而后悔”。“having done”则更强调动作已发生而无法挽回。