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: Biochemistry
[{'content': 'Normal serum alkaline phosphatase level is \nSelect and explain. \nA. 100-400 Bodansky units, B. 1000-4000 Bodansky units, C. 0.1-0.4 Bodansky units, D. 1-4 Bodansky units', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]