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 the following are hormonal agents used against breast cancer EXCEPT : 
Select and explain. 
A. Letrozole, B. Exemestane, C. Taxol, D. Tamoxifen
C: Taxol
Answer: C: Taxol 
Explanation: None