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
Indications of ahoplasty : 
Select and explain. 
A. Osteoahritis, B. Rheumatoid ahritis, C. Ankylosing spondylosis, D. All
D: All
Answer: D: All 
Explanation: A i.e. Osteoahritis; B i.e. Rheumatoid ahritis; C i.e. Ankylosing spondylosis