Had they known what was coming next, they second thoughts.A. may have B. must have hadC. could have

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编辑：chaxungu时间：2026-04-27 02:46:59分类：高中英语题库

【题目】Had they known what was coming next, they _____ second thoughts.

A. may have B. must have had

C. could have D. might have had

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【答案】D

【解析】试题分析：考查虚拟语气。句意：如果他们知道接下来会发生什么，他们本来可能会三思的。前面Had they known可知是对过去的虚拟，他们是可能会在考虑而不是肯定会，故选D项。