After _____ him better ,I regretted _____ him unfairly .

问题描述:

After _____ him better ,I regretted _____ him unfairly .
A.getting to know ; to judge B.getting to know ; to have judged
C.getting to have known; judging D.getting to know; having judged

选D.after介词后跟动名词,regret to do 对要做的事遗憾.(未做)
regret doing 对做过的事遗憾、后悔.(已做)