This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
[{'content': 'Peritonsillar abscess is most commonly caused by \nSelect and explain. \nA. Streptococcus pneumonia, B. Staphylococcus aureus, C. Beta hemolytic streptococcus, D. Hemophilus influenza', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Peritonsillar abscess ( Quinsy) is the collection of pus in the peritonsillar space which lies between the capsule of tonsil and superior constrictor muscle. A peritonsillar abscess usually follows acute tonsillitis. First crystal Magna is infected and sealed off. Culture of pus from the abscess May reveal beta-hemolytic streptococci, S.aureus, or anaerobic organisms. (Ref: Diseases of ENT, PL Dhingra, 7th edition, pg no.298)', 'role': 'assistant'}]