If _______, I’ll show the committee what I have found out about the matter.
A．permittingB．being permittedC．permittedD．having permitted
C
考察分詞作狀語(yǔ)用法。I與permit構(gòu)成被動(dòng)關(guān)系，使用過(guò)去分詞表示。我們可以認(rèn)為是在If后面省略了I am. If可以省略，也可以不省略。句意：如果被允許，我會(huì)向委員會(huì)展示關(guān)于這個(gè)物質(zhì)我所發(fā)現(xiàn)的東西。
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