A、They attack human beings. B、We need to study native animals. C、They can’t live out of the rain forest. D、We do not know much a

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问题

选项 A、They attack human beings.
B、We need to study native animals.
C、They can’t live out of the rain forest.
D、We do not know much about them yet.

答案D

解析 物给人们带来的疾病,故答案为[B]。
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