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: Gynaecology & Obstetrics
[{'content': "Gynaecomastia is seen in : \nSelect and explain. \nA. Klinefelter's syndrome, B. Lepromatous leprosy, C. HIV, D. All of the above", 'role': 'user'}, {'content': 'Answer: D \nExplanation: All of the above Gynaecomastia implies presence of female type mammary glands in male.', 'role': 'assistant'}]