F: Good morning. May I speak to Mister Smith, please? ,M: Speaking. ,F: This is the front desk. I'm afraid that the heating in your room needs repairing, we would like to request you to change your room. We're terribly sorry for the inconvenience. ,M: Ok, but I'm going out in about half an hour. ,F: What time will you be back? ,M: Around 8:00 o'clock I suppose. ,F: Then we would repair the heating while you are out. You may pick up your new room key, number 601 from the front desk when you return.
(A) M: I will pick up the key from the desk after I repair the heating. (B) M: I will pick up the key from the desk when I come back. (C) M: I will repair the heating in Room 601 then. (D) M: I’m sorry, I don’t understand. Could you say it again?
B