听力原文：W: Shall we set off now? M: No, our bus will leave at 7:30. We still have one and half an hours left. What time is it now? A.6:30. B.7:30. C.6:00.
A.What B.6:30. B.7:30. C.6:00.
【参考答案】
C 解析：该对话中女士问'Shallwesetoffnow?'意思是现在可以出发了吗，男士回答'NO，ourbu......