GRE Reading Comprehension: PPO-GRE阅读PPO - SX83014A3188UZKWR

The temperature of the fires that produced the "lens-shaped patches" is mentioned primarily in order to A. offer an explanation for the small size of the patches B. present evidence to support a hypothesis about the cause of those fires C. show how scientists determined the type of fuel that fed those fires D. present data that helped to ascertain the age of the patches E. acknowledge that certain characteristics of those fires present an unresolved contra diction