12. A) Shopping with his son. B) Buying a gift for a child.
C) Promoting a new product. D) Bargaining with a salesgirl.
答案：12. B Buying a gift for a child.
原文：
12.
Man: Can you recommend something that a school boy of seven or eight will really like?
Woman: I suggest this toy train, sir. It’s an excellent brand, very popular, all over the world these days.
Question: What is the man doing?