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
All of the following drugs can cause gynaecomastia except: 
Select and explain. 
A. Digoxin, B. Amiloride, C. Cimetidine, D. Spironolactone
B: Amiloride
Answer: B: Amiloride 
Explanation: None