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': 'Which one of the following statements about H.pylori is NOT true - \nSelect and explain. \nA. Its prevalence increases with age, B. Its prevalence is inversely related to socio-economic status, C. Commonly fundus is the site of colonization, D. It is implicated in duodenal ulcer, gastric ulcer and gastric carcinoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]