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': 'lining mucosa is found over all of the following surface except: \nSelect and explain. \nA. Cheeks., B. Floor of the mouth., C. Ventral surface of tongue., D. Dorsum of tongue.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Dorsum of the tongue is specialized mucosa', 'role': 'assistant'}]