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': 'Masticatory mucosa is not present on: \nSelect and explain. \nA. Palatal fauces., B. Attached gingiva., C. Dorsum of the tongue., D. Floor of the mouth.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dorsum of the tongue has specialized mucosa.', 'role': 'assistant'}]