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[Sentence Correction]
试题详情
题目：
The World Wildlife Fund has declared that global warming, a phenomenon most scientists agree to be caused by human beings in burning fossil fuels, will create havoc among migratory birds by altering the environment in ways harmful to their habitats.
选项:
A、a phenomenon most scientists agree to be caused by human beings in burning fossil fuels,
B、a phenomenon most scientists agree that is caused by fossil fuels burned by human beings,
C、a phenomenon that most scientists agree is caused by human beings' burning of fossil fuels,
D、which most scientists agree on as a phenomenon caused by human beings who burn fossil fuels,
E、which most scientists agree to be a phenomenon caused by fossil fuels burned by human beings,
答案:
C
提问：
错选了B，觉得B很正确，排除C是因为看到很少情况下会出现human being’s 这个用法，请教下为什么c比b好，什么情况下用’s
解答：
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