A:i usually travel by train B:why not ___by plane for a change?

题目

A:i usually travel by train B:why not ___by plane for a change?
a. to try going
b.trying to go
c.to try and go
d.try going
哪个对,主要是其他3个分别错在哪?

答案

d
Why not句型,是直接在why not后加动词原形,这是个固定搭配.所以直接就能排除掉另外三个.