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 3 year old child presents with fracture of femoral shaft had immobilized on traction constantly for two months. The next step of management is: \nSelect and explain. \nA. Hip Spica and if necessary internal fixation, B. Callow traction for 2 months, C. Open reduction and Kuntscher's lover leaf intrame?dullary nailing or plating, D. Traction by Thomas splintA i.e. Hip Spica and if necessary internal fixation", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Hip Spica and if necessary internal fixation', 'role': 'assistant'}]