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: Pharmacology
[{'content': 'Which of the following drugs can cause gynaecomastia? \nSelect and explain. \nA. Digoxin, B. Ketoconazole, C. Spironolactone, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Drugs causing gynaecomastia : Digoxin,Ketoconazole,Spironolactone,Cimetidine,Estrogen.', 'role': 'assistant'}]