This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bile duct, Subject name: Surgery
[{'content': 'Treatment of choice in choledochal cyst:- \nSelect and explain. \nA. Roux-en-Y hepaticojejunostomy, B. Cystojejunostomy, C. Choledochoduodenostomy, D. Choledochojejunostomy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Treatment of Choledochal Cyst Type I Roux-en-Y hepaticojejunostomy Type II Excision with T-tube repair Roux-en-Y hepaticojejunostomy Type III Endoscopic sphincterotomy and cyst unroofing Type IV A Hepatic resection for localized disease Liver transplantation for diffuse disease Type IV B Transduodenalsphincteroplasty and Roux-en-Y hepaticojejunostomy Type V Hepatic resection for localized disease Liver transplantation for diffuse disease', 'role': 'assistant'}]