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: Pathology
[{'content': 'One of the following polyps in the stomach does not become maligant - \nSelect and explain. \nA. Tubular adenoma, B. Villous adenoma, C. Multiple polyposis, D. Hyperplastic polyps', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]