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: Forensic Medicine
[{'content': 'In males, first pubeal sign is: FMGE 10; WB 11 \nSelect and explain. \nA. Testicular enlargement, B. Hoarseness of voice, C. Pubic hair development, D. Penis enlargement', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Testicular enlargement', 'role': 'assistant'}]