an answer from her husband Emily decided to send him another email. A. Not having receiv

问题补充：

an answer from her husband, Emily decided to send him another email.

A. Not having received

B. Having not

C. Receiving not

D. Not receiving

答案：

(答案→)A. Not having received

B. Having not

C. Receiving not

D. Not receiving

解析：考查非谓语动词的完成式。当非谓语动词的动作发生在谓语动词之前时，非谓语动词用完成式。“未收到丈夫的回信”与“决定再发一封”是前因后果的关系, 因此“未收到”用完成式。