文章第二段倒数第五句话就是选项A, C之所以不对是因为答的不完全
请再仔细阅读第二段的最后几句话:In a long drop, they reach speeds of 60 miles an hour and more. At high speeds, falling cats have time to relax. They stretch out their legs like flying squirrels. This increases their air-resistance and reduces the shock of impact when they hit the ground.