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: Surgery
[{'content': 'The most common cause of anterior compament syndrome is \nSelect and explain. \nA. Fractures, B. Post ischaemic swelling, C. Superficial injury to muscles, D. Operative trauma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Fracture', 'role': 'assistant'}]