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': 'Hyperresponsiveness of monocytes leads to bone loss through \nSelect and explain. \nA. PGE2 production, B. PGA2 production, C. PGI2 production, D. TXA2 production', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]