M: Hello, my name is Carlson. I believe you have a room booked for me. W: Carlson? Oh, yes, Mr. Carlson. It's a single room with a bath, on the second floor. I hope it will suit you, sir., Question: What does the conversation tell us? (A) The man wants to reserve a room. (B) The man reserved a room some time ago. (C) The man has booked a room with nobath.
(B) The man reserved a room some time ago.