hard you try，it is difficult to lose weight without cutting down the amount you eat.(2012·湖南)
A. However
B. Whatever
C. Whichever
D. Whenever
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(答案→)A. However
B. Whatever
C. Whichever
D. Whenever
解析：考查状语从句。空格后面的hard是副词，所以选However，However在此引导让步状语从句。句意：不论你怎么努力，你如果不减少进食的量就很难减肥。