【单选题】

A: You seem to have a lot of work to do in your office. You've always been working overtime.B: ______
A．You are right, but don't you know the meaning of work

B．Sorry, I don't think so. I get overpaid overwork, you know.
C．That's right. All work and no play makes Jack a dull boy.
D．That's right, but the work is interesting. I don't mind some extra hours at all