Results of a recent study appear to explain the long-standing question of why many women develop lung cancer, ______ they themse

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问题 Results of a recent study appear to explain the long-standing question of why many women develop lung cancer, ______ they themselves are non-smokers.

选项 A、if
B、unless
C、but
D、although

答案D

解析 句意:一份最近的研究结果好像解释了长期以来的一个问题,即为什么许多女人会得肺癌尽管她们自己并不吸烟。本题考查连词辨析。if:如果;unless:除非;but:但是;although:尽管。此处although引导一个让步状语从句。
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本试题收录于: 英语题库普高专升本分类
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