【单选题】 As described in the article, speech came ______.
A．before the discovery of fire
B．after the break-up of the Roman Empire
C．when the animal called itseff man
D．at the end of sociability
网考网参考答案：A
网考网解析：
依据第二段第一句。
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【单选题】 As described in the article, speech came ______.
A．before the discovery of fire
B．after the break-up of the Roman Empire
C．when the animal called itseff man
D．at the end of sociability
网考网参考答案：A
网考网解析：
依据第二段第一句。
查看试题解析出处>>
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