题目内容
【题目】Though we don't know what was discussed, yet we can feel the topic __________.
A. had changed B. will change
C. was changed D. has been changed
【答案】D
【解析】句意:尽管我们不知道讨论的内容,但我们感觉讨论的话题变了。根据题意,句子应用被动语态,排除A项和B项;又根据时态一致,排除C项。
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