---Excuse me, sir. Is the swimming pool open all day?
---_______. Only from 6:30 p.m. to 9:30 p.m.

A．Yes, of course	B．That’s right
C．Sorry, I’m not sure	D．Sorry, I’m afraid not

科目 英语   题型 单选题   难度 中等

知识点： 情景反应