题目内容：
What's the difference between Nantes and other cities which want reduction in car use?
A．Nantes gets more serious traffic problems． B．Nantes doesn't close off any streets．
C．Nantes has better public transport system．
D．Nantes pays more attention to alternatives to driving．
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：