This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'In boys which is the first ble sign of pubey \nSelect and explain. \nA. Testicular enlargement, B. Penile growth, C. Breast hyperophy, D. Dark scrotum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In boys, pubeal changes occur in the order: Testicular enlargement Pubarche Lengthening of penis Spermarche Laryngeal growth under androgenic stimulus. Ref: Ghai, 9th edition, Page 61.', 'role': 'assistant'}]