______a satisfying respond, the young scientist decided to write again.

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问题 ______a satisfying respond, the young scientist decided to write again.

选项 A、Not receiving
B、Receiving not
C、Not having received
D、Having not received

答案C

解析根据句意可知，the young scientist和receive之间是逻辑上的主谓关系，所以用现在分词形式。“没有收到”所表示的动作发生在“决定再写一封信”所表示的动作之前，所以应用现在分词的完成式。其否定形式是在having received前面直接加not。故选C。

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英语

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