It's cold outside. You'd better put on more clothes ______ you'll catch a cold.[ ]

A. and

B. but

C. or

D. though

某人乘出租车时得到一张天津市客运出租行业专用发票，如下表所示，此人乘年所用时间为_______；该车在这段时间内运动的平均速度为________ km/h.