单选题
______ often I try, I cannot find the answer.
A、
Although
B、
Whatever
C、
As
D、
However
【正确答案】
D
【答案解析】
[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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