GRE Reading Comprehension: Maggoosh-GRE阅读Maggoosh - 079W9L84YCE238J0M

Based on the information in the passage, it can be inferred that which of the following is a possible benefit conferred by mesothermy? A. Controlling for size, it allows for greater speed than ectothermy. B. Controlling for size, it leads to less dependence on food than does ectothermy. C. It allowed prehistoric birds to fly.