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: Surgery
[{'content': 'True about undescended testes \nSelect and explain. \nA. Normal testosterone, B. Normal spermatogenesis, C. Normally physiological descend occurs upto 18 months, D. Testes deviates from normal path', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Leydig cells are not affected so testosterone levels normal.\nSertoli cells are affected so spermatogenesis is affected.', 'role': 'assistant'}]