【单选题】

M:Can you recommend something that a school boy of 7 or 8 will really like

W: I’d suggest this toy train, sir. It’s an excellent branD、Very popular all over the world these days.
Q: What is the man doing
A、Shopping with his son.
B、Buying a gift for a chilD、
C、Promoting a new product.D、Bargaining with a salesgirl.