【单选题】
___ No, thanks. I'm just looking around. I'll let you know if I want anything.
A. Could you help me?
B. What will you buy?
C. Can I help you?
D. Do you like to look around?
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答案
C
解析
暂无解析
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折返线、停车线困难情况下，除道岔区外，可设在曲线上，并可不设缓和曲线，超高应为___。
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