关于不定式的选择题,

问题描述:

关于不定式的选择题,
---- I usually go there by train.---- Why not ___ by boat for a change?A.to try going B.trying to go C.to try and go D.try going 我选A但是错的.正确答案是D,这里不是应该用不定式么,就是有to的.另外有什么是不用to 的情况!求自创,有分加

why not 后面一定是动词的原型.但我觉得应该是:why not try to go...因为try to do sth.是固定搭配