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
Treatment of choice for fracture neck of humerus in a 70 year old male: 
Select and explain. 
A. Analgesic with arm sling, B. U-slab, C. Ahroplasty, D. Open reduction - Internal fixation
A: Analgesic with arm sling
Answer: A: Analgesic with arm sling 
Explanation: A i.e. Analgesic with arm sling