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: ENT
A common indication of septoplasty - 
Select and explain. 
A. DNS with symptoms, B. Anosmia, C. Sluder's neuralgia, D. Septal spur
A: DNS with symptoms
Answer: A: DNS with symptoms 
Explanation: None