Clerk: Would you sign the register, please? Mr. Woods: Sure. ______ , does my room have a private bath? Clerk: Certainly. Every room in this hotel have a private bath.
【正确答案】
B
【答案解析】解析：客人登记人住时顺便问问房间设施情况，话题有转移，故用B．By the way； A．On the contrary表示“相反”；C．In any case意思是“不管在什么情况下”，语义和对话无关；D．Sorry to trouble you则显得过于客气，不符合英语习惯。