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 most commonly practiced operative procedure for a perforated duodenal ulcer is \nSelect and explain. \nA. Vagotomy and pyloroplasty, B. vagotomy and antrectomy, C. Vagotomy and perforation closure, D. Graham's omentum patch repair", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Here perforation is identified and an omental patch is placed & closed with interrupted, horizontal sutures. Because of its adhesion propey, it seals perforation, maintain good vascularity, and promote lymphatic drainage Reference: SRB 5th edition, page no: 832', 'role': 'assistant'}]