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
Which of the following drugs can cause gynaecomastia? 
Select and explain. 
A. Digoxin, B. Ketoconazole, C. Spironolactone, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Drugs causing gynaecomastia : Digoxin,Ketoconazole,Spironolactone,Cimetidine,Estrogen.