题目内容
____a reply, he decided to write again.
A. Not receiving B. Receiving not
C. Not having received D. Having not received
选C。receive与主句的主语he 之间有逻辑上的主谓关系。故用现在分词,但主句中的again又暗示考生,分词的动作发生在主句谓语动词之前,因此用现在分词的完成式。not必须置于分词之前。此句可理解为:As/Since he hadn't received a reply, he decided to write again.
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