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!
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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。
