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
The following statement about Pilonidal Sinus is true : 
Select and explain. 
A. More common in females, B. Mostly congenital, C. Prognosis after surgery is poor, D. Treatment of choice is sugrical excision of sinus tract
D: Treatment of choice is sugrical excision of sinus tract
Answer: D: Treatment of choice is sugrical excision of sinus tract 
Explanation: None