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: Dental
[{'content': 'Elongated rete pegs are seen in: \nSelect and explain. \nA. Alveolar mucosa, B. Floor of the mouth, C. Attached gingiva, D. Buccal mucosa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]