This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'The treatment of annular pancreas is \nSelect and explain. \nA. Gastro-jejunostomy, B. Duodeno-duodenostomy, C. Duodeno-jejunostomy, D. Gastro-duodenostomy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Duodenal obstruction typically causes vomiting in neonate.The usual treatment is bypass(duodenoduodenostomy) Bailey & Love ,26th,1125.', 'role': 'assistant'}]