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: Dental
[{'content': 'Which of the following influence the ability of osteoclast to resorb bone matrix? \nSelect and explain. \nA. cathepsin K and carbonic anhydrase, B. alkaline phosphatase, C. both the above, D. matrix metalloproteinase', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]