—It is so hot today! Do you mind if I drink this last bottle of water, Susan?

—______. I’ll go and get some more this afternoon.

A．I’m very sorry

B．Yes, please

C．I don’t care

D．Of course not. Go ahead

患儿6岁，左下后牙有洞进食时疼痛4天，昨晚加重，不能入眠。最可能的诊断是（）

A.深龋嵌塞食物

B.急性牙髓炎

C.慢性牙髓炎急性发作

D.急性根尖周炎

E.慢性根尖周炎急性发作