问题描述：
there is doubt 和there is no doubt 用法
There is more and more doubt____the UN resolution aimed at stopping humanitarian crisis in Lybia has been abused
A:if B:that C:/ D.whether
这个是要选 that
There is more and more doubt____the UN resolution aimed at stopping humanitarian crisis in Lybia has been abused
A:if B:that C:/ D.whether
这个是要选 that
问题解答：
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