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: ENT
True about ANOM-(Acute Necrotising otitis Media) 
Select and explain. 
A. M/C Organism is Pseudomonas Aeruginosa, B. M/C Organism is β-Hemalytic streptococci, C. Occurs in patient with low immunity, D. Causes marginal perforation
B: M/C Organism is β-Hemalytic streptococci
Answer: B: M/C Organism is β-Hemalytic streptococci 
Explanation: None