—Have you persuaded him?
—Yes. After some hours of discussion, I to reason him in accepting the new plan.
A. had managed
B. would manage
C. have managed
D. managed
网友回答
A. had managed
B. would manage
C. have managed
(答案→)D. managed
解析：由Yes知道已经劝服，After短语是说明劝服的时间，所以用一般过去时。