Unlike the automobile company, whose research was based on crashes involving sport utility vehicles, the research conducted by the insurance company took into account such factors as a driver’s age, sex, and previous driving record.
company, whose research was based on
company, which researched
company, in its research of
company’s research, having been based on
company’s research on
ABC对比对象不对等,应该是 the research比 the research
C选项having been based on是伴随状语,修饰最近的动作,最近的动作为took into account 主语为the research conducted by the insurance company 。显然是不合理的,因为这个having been based on逻辑上是企图描述前方的 the automobile company’s research
E选项正确
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