W: Good morning, sir. May I help you? M: Oh, yes. I'm looking for a pair of sports shoes in size 8. W: Are you looking for a pair for yourself? M: No. It's for my 17-year-old son. W: OK. Follow me, please...What do you think of this pair? M: They look nice. How much are they? W: They are 40 dollars, but I can give you a 10 percent discount. M: Good., Question: What size shoes does the man's son wear? (A) Size 7 (B) Size 8. (C) Size 10.
(B) Size 8.