For animals,a scientist observes,we probably only know_____ten percent of their species.

For animals,a scientist observes,we probably only know_____ten percent of their species.

题目

For animals,a scientist observes,we probably only know_____ten percent of their species.
A.as many as B.as much as C.as few as D.as far as
并说一下为什么

答案

选C as few as
因为 ten percent of their species 是可数的,而且句子在说人类只知道“很少的一部分（10%）”动物的物种.

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