单项选择题

Conversation 2
[听力原文]8-10
M: Hello, 7-5-4-double 6-2.
W: Oh, hello. Could I speak to Jim, please
M: I’m afraid he is out at the moment. He’s at the cinema. Can I leave a message
W: Yes, could you ask him to call me, please Tomorrow is Teachers’ Day. We want to go to see our teacher.
M: Sure. What’s your name, please
W: Li Lei.
M: What’s your telephone number
W: My telephone number is 6-7-double 8-3-4.
M: 6-7-double 8-3-4. Right.
W: Could you please tell him to ring me up at 7:00 this evening
M: OK.
W: Thanks a lot.
M: It’s a pleasure.
W: Bye.
M: Bye.

What is the man’s telephone number()

A.574662.
B.768834.
C.754662.
D.678834.