This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of Thyroid, Subject name: Medicine
[{'content': 'Hypercalcemia is caused by? \nSelect and explain. \nA. Adrenocoical insufficiency, B. Amyloidosis, C. Hypehyroidism, D. Vitamin C Intoxication', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hypehyroidism can result in increased bone turnover though the mechanism is not elucidated. Causes of hypercalcemia associated with high bone turnover Hypehyroidism Vitamin A intoxication Thiazides Immobilization', 'role': 'assistant'}]