— You were brave enough to raise objecti
题型：选择题
问题：
| — 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 |
题型：选择题
| — 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 |
