【題目】Rather than tell your kid to stop doing something repeatedly, you should find out ________ they are doing it.

A. whoB. whyC. what D. whether

【答案】B

【解析】

試題分析：考查賓語從句連接詞。本題_____ they are doing it.是介詞后的賓語從句。這個賓語從句：they作主語，系動詞are doing, it作doing的賓語，而who, what在賓語從句中作主語、賓語、表語，故此處排除AC；why“為什么”在賓語從句中作原因狀語；whether“是否”在賓語從句中不作句子成分；句意：你應該弄明白為什么你的孩子這樣做，而不是反復地叫他們不要這樣做。故B正確。

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