GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - BU37AS7F1M15134GJ

Which of the following best describes the relationship of the first sentence to the passage as a whole? A. It introduces a topic that is then placed in historical context. B. It introduces two contradictory approaches that are ultimately reconciled. C. It presents an argument that is then strengthened by evidence. D. It argues in favor of a position that is subsequently modified. E. It describes a viewpoint whose inconsistencies are later probed.