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
Recurrent prolapse of the rectum in children is treated by 
Select and explain. 
A. Thiersh wiring, B. Digital reposition, C. Excision, D. Ripstein's operation
D: Ripstein's operation
Answer: D: Ripstein's operation 
Explanation: None