---Excuse me, Sir, is the swimming pool open every day?

---______, only from 6:00 pm to 10:00 pm

A．That’s right

B．Yes, of course

C．Sorry, I’m not sure

D．Sorry, I’m afraid not

不属于砌石建筑物的漏水处理措施的是哪个（）。

A、水泥砂浆勾缝

B、水泥砂浆抹面

C、快凝砂浆堵塞漏水孔道

D、灌浆回填