GRE Reading Comprehension: Kaplan-GRE阅读Kaplan - XXY3T211BOV3K996G$

In the argument given, the two highlighted sentences play which of the following roles? A. The first supports the conclusion of the argument; the second summarizes a position that is in opposition to that conclusion. B. The first provides support for the conclusion of the argument; the second provides that conclusion. C. The first states the main point of the argument; the second states an opposing point. D. The first serves as an intermediate conclusion; the second states the ultimate conclusion. E. The first states the conclusion of the argument; the second provides support for that conclusion.