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
Drug used for treatment of methicillin resistant  staphylococcus aureus is : 
Select and explain. 
A. Teicoplanin, B. Vancomycin, C. Both, D. None
C: Both
Answer: C: Both 
Explanation: None