This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antimetabolites and Quinolones, Subject name: Pharmacology
All of the following drugs can cause gynaecomastia except 
Select and explain. 
A. Cimetidine, B. Spironolactone, C. Digoxin, D. Sulfonamides
D: Sulfonamides
Answer: D: Sulfonamides 
Explanation: Drugs causing gynacomastia S- Spironolactone I- Isoniazid D- Digoxin C- Cimetidine (and Ketoconazole) O- Oestrogens