8.was Columbus the first man ______ the new world?

问题描述:

8.was Columbus the first man ______ the new world?
A)discover
B) discovered
C) to discover
D) who discovereds
请问答案为什么选择c,

因为前面有be动词吧,你可以把它变成陈述句:Columbus was the first man to the new world