---You were brave enough to raise objections at the meeting---Well, now I regret that.

发布时间：2020-08-16 22:58:55

---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

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解析：本题考查regret的用法。句意：我现在后悔在会上提出了反对意见。表示对已经发生的事情“后悔”应用regret doing ／having done。 
以上问题属网友观点，不代表本站立场，仅供参考！