GRE Reading Comprehension: ETS Official Practice 150-GRE OP150: 阅读 - UWA2WG4Y03POA41BZ

Which of the following best describes the organization of the passage as a whole? A. Two hypotheses are discussed, and evidence in support of one is presented. B. A hypothesis is presented and discussed, and a limitation to the hypothesis is identified. C. A hypothesis is proposed, its supposed advantages are shown to be real, and its supposed disadvantages are shown to be illusory. D. A problem is identified, two hypotheses are advanced to resolve it, and both are rejected. E. A problem is identified, two resolutions are proposed, and a solution combining elements of both is recommended.