问题
单项选择题
A．They should take the train instead.
B．They have to drive to Shanghai for economic reason.
C．They’’d better driver faster.
D．Their watches are too expensive.
答案
参考答案：B
解析：M: I figured it all out. It looks like it’’ll take us about seven hours to drive from here to Shanghai.F: It’’d be more relaxing to take the train. But I guess we should watch our expenses.Q: What does the woman imply