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We can’t figure out quite a number of insects and birds are dying out.A. that B. as C. why D.when

编辑:chaxungu时间:2026-04-27 02:56:20分类:高中英语题库

【题目】We can’t figure out ______ quite a number of insects and birds are dying out.

A. that B. as C. why D.when

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【答案】C

【解析】我们无法弄明白为什么相当多的昆虫和鸟儿正在没绝。根据句意,故选C