题目内容

17、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

试题答案

17、D
解析从what was discussed,可知事情已经发生。从can feel可知说的是现在的情况。应用完成时,表示过去一动作对现在造成的影响。又topic 对change是被动关系。故选D。

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