语法与词汇
He _____ the meeting, but upon learning that they would discuss something irrelevant to his field of study, hedropped the idea.
【正确答案】
D
【答案解析】句意:要不他就参加会议了,可是听说他们要讨论一些与他研究领域无关的内容,就放弃了这个打算。此句是含蓄虚拟条件句,其隐含假设条件是“if he had not learned that”,这种含蓄虚拟条件句多半是前半部分虚拟,后半部分以but为转折,陈述真实情况,暗指“若不是这种情况存在,就……”。因此,本题的正确答案为D。