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: Surgery
[{'content': 'A young boy with history of severe sore throat and fever had these clinical findings on oral examination. The cause of the above problem could be due to \nSelect and explain. \nA. Quinsy, B. Tonsillitis, C. Oral thrush, D. Severe glossitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]