This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
[{'content': 'True about metastatic calcification (NOT RELATED) \nSelect and explain. \nA. Serum Ca level is normal, B. Occurs in dead/dying tissue, C. Occurs in damaged hea valves, D. Calcification stas in mitochondria', 'role': 'user'}, {'content': 'Answer: D \nExplanation: .', 'role': 'assistant'}]