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': 'Not true about posterior dislocation of hip \nSelect and explain. \nA. Dashboard injury, B. Vascular sign of narath is seen, C. Sciatic nerve injury, D. Trendelenberg test is negative', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]