A、He is working in a hospital. B、He is doing business with his brother now. C、He is going to graduate from college in July. D、He

W: Oh, no. It’s a quarter to five already and I’ll miss my 5 o’clock train.
M: Don’t worry. That clock is half an hour fast. You have enough time to catch it.
Q: When does this conversation take place?

W: Are you still working in the hospital?
M: Not since July. My brother and I went into business together as soon as he graduated from college.
Q: What can we learn about the man from this conversation?