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': "True about intertrochanteric fracture \nSelect and explain. \nA. > 1 inch shortening, B. > 1 inch lengthening, C. Tenderness in scarpa's triangle, D. < 45 degree external rotation of limb", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]