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': 'The syndrome of geographic tongue should be treated by \nSelect and explain. \nA. Excision of the lesion, B. Penicillin therapy, C. Topical application of Nystatin, D. Routine observation at recall time', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]