Migration enables many animals to take advantage of favorable we

Migration enables many animals to take advantage of favorable weather and abundant food supplies in areas with changing （）．

A、

species

B、

chances

C、

environments

D、

factors

【正确答案】：C
【题目解析】：

句意：迁徙使许多动物能够利用环境变化地区的有利天气和丰富的食物供应。“环境变化”用“ changing environments”表示，故选C。