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': "McMurray's test is positive in injury of: \nSelect and explain. \nA. Anterior cruciate ligament, B. Posterior cruciate ligament, C. Medical meniscus injury, D. All", 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Medial meniscus injury', 'role': 'assistant'}]