This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Hormones, which stimulate spermatogenesis, are: 
Select and explain. 
A. Insulin and glucagon, B. Thyroxine and parathormone, C. A.D.H. and Oxytocin, D. Testosterone and F.S.H
D: Testosterone and F.S.H
Answer: D: Testosterone and F.S.H 
Explanation: None