Question

【题目】I should not have laughed if I ________ you were serious.

A．thought B．would think

C．had thought D．have thought

Answer 1

【答案】C

【解析】

试题分析：考查虚拟语气。句意为：如果我认为你是认真的话，我就不会笑了(实际上我笑了)。根据主句的谓语动词可知是与过去是相反的虚拟，所以if从句的谓语动词用过去完成时，故选C项。