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
A diabetic patient developed cellulites due to S. aureus, which was found to be methicillin resistant on antibiotic sensitivity testing. All of the following antibiotics would be appropriate except : 
Select and explain. 
A. Linezolid, B. Vancomycin, C. Teicoplanin, D. Imipenem
D: Imipenem
Answer: D: Imipenem 
Explanation: None