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': 'In a patient of 8 years having history of trauma at the age of 5 years. The TMJ gets ankylosed, what should be treatment \nSelect and explain. \nA. Gap arthroplasty, B. Gap arthroplasty with temporalis muscle meniscus placed in joint space, C. Condylectomy, D. Condyloplasty', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]