GRE Reading Comprehension: OG/PP2-GRE阅读OG/PP2 - 4MU6H7F3L1788DE4P

The passage is primarily concerned with A. tracing the development of a controversy B. discussing obstacles to resolving a controversy C. arguing in support of one side in a controversy D. analyzing the assumptions underlying the claims made in a controversy E. explaining why evidence relevant to a controversy has been overlooked