单选题：What can we infer from the reading passage__________?

题目分类：理工类
题目类型：单选题
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题目内容：

What can we infer from the reading passage__________? A．Chimpanzees are in the same process of evolution as our ancestors were.
B．Chimpanzees are similar to humans in many behaviors.
C．Walking on two limbs and walking on four limbs each have their advantages.
D．Human walking on two legs developed as a means of survival.

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答案解析：

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分类：理工类题型：单选题