题目

Frank insisted that he was not asleep _____ I had great difficulty in wakin请高手相助谢谢!
4.Frank insisted that he was not asleep _____ I had great difficulty in waking him up.
A.whether B.although C.for D.so
请分析说明了理由,

提问时间：2020-11-17

答案

B.although " 尽管",引导让步状语从句
根据句意来选择:尽管我费了很大的劲才把他叫醒,可他坚持说他没有睡着.
whether引导宾从,"是否",so表示结果,for 补充说明原因.因此这三个都不适合.