difficult the problem was, he tried his best to solve it.A. No matter B. Although C. What

发布时间：2020-08-16 21:16:54

     difficult the problem was, he tried his best to solve it.
A. No matter
B. Although
C. Whatever
D. However

网友回答

A. No matter
B. Although
C. Whatever
(答案→)D. However
解析：本题考查状语从句。however=no matter how不管多么难。句意为：不管这个问题有多难，他都尽力去解决。
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