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': 'Which one of the following features is NOT associated with 1° hyperparathyroidism: \nSelect and explain. \nA. Giant cell tumour., B. Sharply defined radiolucencies of maxilla and mandible., C. Partial loss of lamina dura., D. Hypercementosis.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]