_______the first decade of the 19thcentury, the velocipede, the forerunner of the modern bicycle, lost favor temporarily.
A. While B. It was C. During D. When
_______the first decade of the 19thcentury(状语), the velocipede(主语), the forerunner of the modern bicycle(同位语), lost(谓语) favor (宾语)temporarily(状语).
通过结构分析可知,第一个逗号前是一个状语结构,首先排除B。
while和when引导时间状语从句可以省略和主句相同的主语,同时省略动词be. 但本句中The velocipede并不能在when或while从句的主语,故A、D均为错误。
选C则逗号前为介词短语作时间状语。
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