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: Medicine
[{'content': 'H. Pylori does not cause - \nSelect and explain. \nA. Gastric ulcer, B. Duodenal ulcer, C. Lymphoma, D. Leiomyoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]