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单选题英语

2023-02-15

Only then________that she had made a mistake.

A．she realized

B．did she realize

C．had she realized

D．she had realized

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参考答案

B

答案解析

【应试指导】本题考查倒装句型。句意：只有到那个时候，她才意识到自己犯了个错误。以“only+状语或状语从句”开头的句子要用倒装结构，即把助动词放在主语前。then意为“那时”，表示过去，所以要用一般过去时。

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