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").
Q: Fact1: Testosterone stimulates the reproductive organs to develop into male organs., Fact2: Examples of anabolic hormones are testosterone and nandrolone., Question: What stimulates the reproductive organs to develop into male organs? (A) Something coming from a gland (B) Chemical energy (C) A compound that donates proton (D) certain anabolic hormones (E) Something made from fermented ricce (F) Electrical energy (G) heat produced (H) sensory neurons
A:
D