GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 17V34Q9M070P053XJ

Which of the following best describes the purpose of the highlighted sentence in the passage as a whole? A. It introduces an alternative to a widely held view. B. It casts doubt on a point made in the first sentence of the passage. C. It explains why scholars disagree about a particular issue. D. It cites evidence overlooked by scholars previously mentioned in the passage. E. It suggests a reason for the assumption mentioned in the preceding sentence.