— You are brave enough to raise objections at the meeting.
— Well, now I regret ____ that.

A. not to do  
B. having done    
C. to have done  
D. not doing
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科目：高中英語 來源：貴州省月考題 題型：單選題

__You are brave enough to raise objections at the meeting.
__Well, now I regret______ that.
[     ]
A. not to do  
B. having done    
C. to have done  
D. not doing

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