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
[{'content': 'Commonest operation done for peptic ulcer with gastric outlet obstruction is - \nSelect and explain. \nA. Truncal vagotomy with pyloroplasty, B. Highly selective vagotomy with pyloroplasty, C. Truncal vagotomy with gastrojejunostomy, D. Gastrojejunostomy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]