A: What time is this meeting supposed to begin B: I’m not sure. I thought it was to start at 7:00 p.m., but it’s already 7:20 p.m.. A: ______ B: It’s unlikely that the guest speaker has arrived yet. I think he is still eating his dinner. A: Well, that explains it!
A. What do you think the problem is B. Don’t you know C. Are you sure D. What do we do then