When ______ the reason for their success the kids had two explanations: hard work and the

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When ______ the reason for their success, the kids had two explanations: hard work and their parents encouragement.

A.asking

B.asked

C.having asked

D.had asked

请帮忙给出正确答案和分析,谢谢!

热搜:关于氨基酸代谢错误的论述是_________。

答案解析

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  • 正确答案:B
    省略用法题。当状语从句的主语与主句的主语一致时,可省略主语和系动词。whenaskedthereasonfortheirsuccess是从句的省略形式,完整的说法是whentheywereaskedthereasonfortheirsuccess,故选项B正确。