— Conductor, can I get to Market Street on this subway?
— Of course. It’s leaving. , please．
A. Take your time
B. Mind your step
C. Look out
D. Walk slowly
网友回答
A. Take your time
(答案→)B. Mind your step
C. Look out
D. Walk slowly
解析：这是一组对话，上文，售票员，坐这个地铁可以到达市场街吗？下文，当然，马上就要开了，请小心脚下。Take your time不着急 Mind your step小心脚下Look out当心 Walk slowly慢慢走，根据题意，故选B。