问题描述：
--I usually go there by bus.---Why not _______
--I usually go there by bus.
---Why not ________ by train for a change?
A.to try going B.tyring to go C.to try and go D.try going
--I usually go there by bus.
---Why not ________ by train for a change?
A.to try going B.tyring to go C.to try and go D.try going
问题解答：
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