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: Gynaecology & Obstetrics
'Boari's Operation' is 
Select and explain. 
A. Renal pelvic flap, B. Urinary diversion, C. Bladder flap, D. None
C: Bladder flap
Answer: C: Bladder flap 
Explanation: Bladder flap