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': 'H.pylori elimination confirmation test - \nSelect and explain. \nA. Urea breath test, B. Culture, C. Serological test, D. Biopsy urease test', 'role': 'user'}, {'content': 'Answer: A \nExplanation: <p>Davidson&;s principles and practice of medicine 22nd edition. *urea breath test is highly specific and sensitive.breath tests are best because of accuracy simplicity and non invasiveness. </p>', 'role': 'assistant'}]