题目内容

If _______, I’ll show the committee what I have found out about the matter.
A．permittingB．being permittedC．permittedD．having permitted
C
考察分词作状语用法。I与permit构成被动关系，使用过去分词表示。我们可以认为是在If后面省略了I am. If可以省略，也可以不省略。句意：如果被允许，我会向委员会展示关于这个物质我所发现的东西。
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