题目内容
________ nobody gave him any help, he must have done the research on his own.
A. Now that B. Although
C. Though D. For
A
【解析】
试题分析:考查状语从句连词辨析。A既然;B/C尽管;D由于,因为(所引导原因状语从句放在句末,表示补充说明);句意:既然没有人帮助他,他不得不独自完成这项研究。根据句意可知上下文之间存在着因果关系,故A正确。
考点:考查状语从句连词辨析
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