his letter, I decided to write to him againA. Receiving notB. Not receivingC. Having not

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A. Receiving not
B. Not receiving
C. Having not receiving
(答案→)D. Not having received
解析：考查非谓语动词用法。因为receive与句子主语I构成主动关系，故使用现在分词的形式。因为收到信件是在主句的谓语动作之前，所以使用完成式，现在分词的否定式就是在前面直接加not。句意：因为没有收到他的来信，我决定给他再写一封。故D正确。