They overcame all the difficulties and completed the project two months ahead of

游客2024-09-24 21

问题 They overcame all the difficulties and completed the project two months ahead of time, ______is something we had not expected.

选项 A、which
B、it
C、that
D、what

答案 A

解析这是典型的非限制性定语从句，主句和从句之间用逗号隔开，从句子意思上判断，“我们没意料到的”是逗号前的整个句子所表达的内容，填入的关系代词指代前面整个句子的内容，应选关系代词which，A为答案。

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