a reply, he decided to write again.
A. Not receiving
B. Receiving not
C. Not having received
D. Having not received
网友回答
A. Not receiving
B. Receiving not
(答案→)C. Not having received
D. Having not received
解析：考查分词做状语。本题中的动词receive与句子主语he之间构成主动关系，故使用现在分词的形式。因为没有收到来信是在他重新写信之前，使用使用完成式，另外分词的否定式都是在前面直接加not。句意：因为没有收到回信，他绝对重新再写一封。故C正确。