Who__the first man to travel in space.A was it B is it C was it that D is it who

问题描述:

Who__the first man to travel in space.A was it B is it C was it that D is it who

b 谁是第一个到太空旅行的人。

答案应该是 C.这是强调句型的特殊疑问句.还原句子:It was who that is the first man to travel in space.
有什么不懂可以进一步追问.