—Conductor, can I get to Market Street on this train?
—Of course．The train is leaving． , please．
A. Step lively
B. Mind your step
C. Look out
D. Walk slowly
网友回答
(答案→)A. Step lively
B. Mind your step
C. Look out
D. Walk slowly
解析：考查交际用语。A加油，快点；B注意脚下；C当心；D慢走；句意：—，我想知道这列火车到Market Street吗？—当然，火车就要离开了，请快点上车。根据句意说明A正确。