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': 'A patient gives a H/0 twisting strain and locking of the knee joint, the most likely diagnosis is: \nSelect and explain. \nA. Avulsion of tibial tubercle, B. Meniscal tear, C. Tearing of lateral collateral ligament, D. Tear of anterior cruciate ligament', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Meniscal tear', 'role': 'assistant'}]