______ often I try, I cannot find the answer.A、AlthoughB、WhateverC、AsD、Howeve

游客2024-10-21  9

问题 ______ often I try, I cannot find the answer.

选项 A、Although
B、Whatever
C、As
D、However

答案 D

解析 根据题干,前后分句之间存在着让步关系,并且所填词要修饰often,只有D However符合题意,因此为答案。
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