GRE Reading Comprehension: Maggoosh-GRE阅读Maggoosh - L78G1658I8V5UVDRM

It can be inferred from the passage that the metabolic costs of an activity during the middle of the day are A. similar to the metabolic costs of activity during the evening B. the same as the cost of metabolic activity at night C. higher than metabolic costs of activity in the morning D. low and constant, regardless of behavior E. typically lower, depending on the activity