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: Medicine
[{'content': 'The treatment of peptic ulcer involves: \nSelect and explain. \nA. Antacids, B. Ranitidine, C. Sucralfate, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: dRef: Harrison, 16thed, p. 1753', 'role': 'assistant'}]