Detailed Instructions: In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
Problem:Fact1: zinc has a positive impact on the healing of wounds, Fact2: Wound healing Wound healing is a critical aspect of surgery., Question: what can zinc have a positive impact on? (A) humans (B) plants (C) Heart rate (D) surgery (E) cells (F) food (G) animals (H) the skin
Solution:
D