47. A: I’ve always respected Dr. Williams. B: So have I. He’s my role model. A: She really had an impact on my academic studies. B: Is that why you decide to become a scientist? A: Yes. What did Dr. Williams do? (A) Suggested A to be nice. (B) Told A to overcome the language barrier. (C) Influenced A’s life. (D) Gave A a hand.