Speaker A: I’d like to check in, please.
Speaker B: （）。

A. Certainly. Do you have a reservation

B. Sorry, I don’t see what you mean.

C. Sure, I can help you with the checking.

D. Thank you, we provide first class service here.

乙型病毒性肝炎病毒检测表面抗原阳性（HBsAg+）意味着（）

A.体内有肝炎病毒携带

B.有肝炎相关症状、体征

C.肝功能检查无异常表现

D.可以参加义务献血

E.生活中接触一般不会传染