问题详情

- Excuse me, Sir, is the swimming pool open all day？
-______.Only from 6:00 p.m. to 10:00 p.m.
A．That" s right
B．Yes, of course
C．Sorry, I" m not sure
D．Sorry, I" m afraid not请帮忙给出正确答案和分析，谢谢！