Question

How did it______ that humans speak so many different languages?

A．come out

B．come off

C．come about

D．come round

Answer 1

C

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？come about发生；造成；come out出现‘出版；结果是；come off 脱落；进行；达到效果；come round恢复知觉；苏醒过来。