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
Drugs which produce gynaecomastia are all EXCEPT : 
Select and explain. 
A. Cimetidine, B. Digoxin, C. Cortisol, D. Spironolactone
C: Cortisol
Answer: C: Cortisol 
Explanation: None