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: Orthopaedics
[{'content': "False about slipped capital femoral epiphysis \nSelect and explain. \nA. Limitation of abduction and internal rotation, B. Trethowan's sign, C. Limitation of Extension, D. Associated with Hypothyroidism", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]