GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - VZJ3657KO5W7X7V5J

The primary function of the highlighted sentence is to A. refute the legitimacy of an earlier claim. B. hypothesize about a response to a particular situation. C. point out a distinction between two theories. D. present an explanation for a shifting environment. E. illustrate a problem by providing an example.