单项选择题

W: Is that you, Mike
M: Yes, ah, you’re Mary.
W: It’s good to see you again. You are an engineer, aren’t you Did you stay in England after you graduated from university
M: No, I worked in Canada for two years. It’s a good place except for the terrible weather.
W: That sounds interesting, but I’m sure you are glad to be back. What have you been doing since you came back
M: I’ve been seeing old friends, visiting my family, buying things for my new flat and just enjoying myself.
W: Haven’t you got another job
M: Yes, I started a week ago. But what about you
W: I’ve got a job in a company that sells medical equipment. It may sound rather dull, but I’m a salesman and I really like it.

What did Mike do after his graduation from the university()

A. He worked as an engineer in England.
B. He worked as an engineer in Canada.
C. He worked as a salesman in England.