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
Treatment for streptococcal necrotizing fascitis - 
Select and explain. 
A. Surgical debridement, B. Penicillin, C. Clindamycin, D. All
D: All
Answer: D: All 
Explanation: . Ans. is 'a' i.e., Surgical debridemet; 'b' i.e., Penicillin & 'c' i.e., Clinamycin