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
[{'content': '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 : \nSelect and explain. \nA. Linezolid, B. Vancomycin, C. Teicoplanin, D. Imipenem', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]