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: Medicine
[{'content': 'Osteoclasts show an intense activity of which of the\nfollowing enzymes: \nSelect and explain. \nA. Alkaline phosphatase, B. Acid phosphatase, C. Esterase, D. Carbonic Anhydrase', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]