GRE Reading Comprehension: Princeton-GRE阅读Princeton - 1W3DM38Q67EGPP96C$

Which of the following statements, if true, would most likely make terraforming Mars more feasible? A. Scientists have devised a technique to provide a layer of carbon dioxide in the Martian atmosphere, which would trap solar radiation and thus modify temperature. B. Mars has stronger solar winds than does Earth, thus, making it difficult to retain atmospheric gases. C. Mars' core has cooled faster than Earth's, and its temperature is much lower than Earth's. D. Terraforming Mars is likely to have a galvanizing effect on Earth's governments. E. Terraforming Mars is unlikely to disturb life on other planets, should it exist.