单选题 Shop Assistant: Good morning. Can I help you?
Customer: ______. I'm just looking round.
  • A. No, you can't
  • B. Not at the moment, thanks
  • C. Yes, please
  • D. Yes, thank you
【正确答案】 B
【答案解析】[解析] 此对话发生的场景是商店,店员的询问Can I help you?相当于“您要点什么?”对此,顾客若马上要买东西,可以回答Yes, please.如果暂时不买,则可说Not at the moment,同时表示谢意。因此B是合适选项。