Who most likely is the man? A. A manager B. A consultant C. A client D. A trainee

Question 19 - 21 refer to following conversation:

W-Am: Hello, Dan. sovou've been training with us for a couple of months now- as your mentor, I'd like to hear how your apprenticeship's been going

M-Au: It's been going well. I've enjoyed learning the different techniques for metal welding, and like seeing the finished products.

W-Am: I'm glad to hear that. There're still a few weeks left in your training program - but you know, your work is so good that we've decided to offer you a promotion when your training is complete.

M-Au: That's great news! I'd be happy to be part of the team here

19. Who most likely is the man?