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': 'In erythema migrans, which papilla of tongue are absent: \nSelect and explain. \nA. Fungiform, B. Foliate, C. Filliform, D. Circumvallate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]