Question

_________a reply, he decided to write a sixth letter.

1. A.
   Not receiving
2. B.
   Not to receive
3. C.
   Not having received
4. D.
   Having not received

Answer 1

C
非谓动词表示的动作如果发生在句子谓语动词表示的动作之前，非谓语动词就要用完成体。