him so far, she felt a little worried. A．Having not hear from B．Not having heard

 ____ him so far, she felt a little worried.

     A．Having not hear from         B．Not having heard from

     C．Not hearing from             D．Have not heard from

试题答案

【答案】

B

【解析】本题考查的是-ing分词作状语的用法。完成时态的否定形式,注意所有非谓语动词的否定都是在前面直接加not.因为是先没收到他的来信，所以感到有点担心。选B。