听力原文：M Good morning, Mears Transportation Shuttles, this is Sheldon speaking. How may I help you? W Hi, Sheldon, my name is Katherine Shelley. I've been waiting for a van to pick me up and take me to the airport and it's running about 15 minutes latE. M Ms. Shelley, let me see what's holding things up. Okay, I show here that van 1304 is on its way to pick you up right now. It should be there as soon as traffic permits. W Thank you so much for the help. Where does this conversation probably take place? A.In a hotel B.On the phone C.At a conference D.In front of a building