This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
[{'content': 'Commonest operation done for peptic ulcer with gastric outlet obstruction is: \nSelect and explain. \nA. Truncal vagotomy with pyloroplasty, B. Highlyselective vagatomy with pyloroplasty, C. Truncal vagotomy with gastrojejunostomy, D. Gastrojejunostomy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: c (Truncal vagotomy with gastrojejunostomy)Ref: Schwartz, 8th ed, p. 961', 'role': 'assistant'}]