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: Microbiology
[{'content': 'Treatment for streptococcal necrotizing fascitis - \nSelect and explain. \nA. Surgical debridement, B. Penicillin, C. Clindamycin, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: . Ans. is 'a' i.e., Surgical debridemet; 'b' i.e., Penicillin & 'c' i.e., Clinamycin", 'role': 'assistant'}]