___________ his poem, he didn’t dare to submit it to the professor.
A．Not having polishedB．Having not polished
C．Not polishedD．Not being polished
A
本題考查非謂語動詞的用法。分詞的否定式是在分詞前面直接加not.此處句子主語he是polish的執(zhí)行者，要用現(xiàn)在分詞。
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