问题描述：
[单选]
为什么不试试拼车？那样可以降低费用，而且会使出行显得不同。
A．Why not to try carpooling? That "ll reduce your cost and make a different in your trip.
B．Why not try carpooling? That "ll reduce your cost and make a difference in your trip.
C．Why not try to carpool? That "ll reduce your cost and make a difference in your trip.
D．Why not to try carpooling? That "ll reduce your cost and make a difference in your trip.
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