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
Most impoant step in the repair of an indirect inguinal hernia is - 
Select and explain. 
A. Herniotomy, B. Narrowing of the internal ring, C. Bassini's repair, D. Transfixation of the neck of the sac
B: Narrowing of the internal ring
Answer: B: Narrowing of the internal ring 
Explanation: Ans. is 'b' i.e. Narrowing of the internal ring