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': 'Serum alkaline phosphatase is elevated in: \nSelect and explain. \nA. Primary biliary cirrhosis, B. Hypophosphatemia, C. Hyperphosphatemia, D. Hepatatis-A', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Primary biliary cirrhosis', 'role': 'assistant'}]