Jim’s score on the test is the highest; he ______hard.A、should have studiedB、co

游客2023-11-10  20

问题 Jim’s score on the test is the highest; he ______hard.

选项 A、should have studied
B、could have studied
C、must have studied
D、could study

答案 C

解析 情态动词题。must have done表示对过去情况肯定的推测,意为“一定/肯定做过某事”;should have done表示“过去本应该做某事”,但事实上未做;could have done表示过去能做某事而实际上没做,含有遗憾之意,根据题意应选[C]。
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