--- What do you think of your winning the game? --- On the one hand I am proud of it; but

问题补充：

--- What do you think of your winning the game?

--- On the one hand, I am proud of it; but on the other hand, I feel I it better.

A. could do

B. would do

C. could have done

D. must have done

答案：

A. could do

B. would do

(答案→)C. could have done

D. must have done

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