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: Pathology
[{'content': 'True about Herpangina ; Except \nSelect and explain. \nA. Occurs in epidemics, B. Site specific (Occurs on pharynx), C. Severe form than HSV, D. Gingivitis is absent', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]