How did it that humans speak so many different languages?A. come outB. come offC. come abo

网友回答

A. e out
B. e off
(答案→)C. e about
D. e round
解析：句意为：人类怎样会说这么多种语言，这种情况是如何产生的呢？e about发生；造成；e out出现‘出版；结果是；e off 脱落；进行；达到效果；e round恢复知觉；苏醒过来。