问题描述：
There was a little doubt in the mother's mind ____the police could find her lost child.
A.how B.that C.where D.whether 为什么不选B,而选D,不是有there in no doubt that的词组吗?
A.how B.that C.where D.whether 为什么不选B,而选D,不是有there in no doubt that的词组吗?
问题解答：
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