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': 'Metastatic calcifications are seen in \nSelect and explain. \nA. Hypoparathyroidism, B. Vitamin D deficiency, C. Hypercalcemia, D. All the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]