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
What is the best treatment for a five year old child presenting with ballooning of prepuce following micturation? 
Select and explain. 
A. Adhesiolysis & dilatation, B. Circumcision, C. Dorsal slit, D. Conservative management
B: Circumcision
Answer: B: Circumcision 
Explanation: Ballooning of foreskin that persists after micturation is a sign of obstruction requiring circumcision' Ref: Undergraduate Surgery By A.K. Nan, Page 677; Jones' Clinical Pediatric Surgery: Diagnosis & Management (Blackwell publishing) 6th Edition, Page 180; Bailey & Love 25th Edition, Page 1371; Handbook of Urological Diseases in Children By Ricardo Gonzalez, Barbara M. Ludwikowski, Page 135