单选题
According to the passage, at bus or tram stop you should ______.
A、
cross to the opposite side of the road before signaling the bus or tram to stop
B、
step into the road in good time before the bus or tram arrives.
C、
not leave the pavement until the bus or tram has stopped.
D、
only leave the pavement to signal the bus or tram to stop.
【正确答案】
C
【答案解析】
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