This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Fracture of proximal humerus in an elderly patient is best treated by \nSelect and explain. \nA. K-wire fixation, B. Open reduction internal fixation, C. Cuff and sling only, D. Manual reduction and Slab application', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Refer: Watson Jones Textbook of Ohopedics & Trauma, 6thedition,pg no: 536-538)', 'role': 'assistant'}]