A、2754201. B、2645310. C、2745301. D、2654310. C

W: Did you watch the report about the accident in downtown?
M: No. Where was it?
W: It was on seventh street. It was a huge wreck and I saw a lot of ambulances at the scene.
Q: What do we learn about the accident?

M: Hello. My name is Nathaniel Mumford. I’m a student of Professor Cohen’s. May I speak to him, please?
W: Oh, Professor Cohen is at a conference at the moment, but if you leave your phone number he may call you back when he returns.
M: My phone number is 2745301. Thank you for your help.
Q: What is the phone number of the student?