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
True about H. Pylori is all except - 
Select and explain. 
A. It splits urea & produces ammonia to survive, B. Produces Gastric Ca, C. Gram -ye curved rods, D. Cag-A gene is not associated with-risk of duodenal ulcer
D: Cag-A gene is not associated with-risk of duodenal ulcer
Answer: D: Cag-A gene is not associated with-risk of duodenal ulcer 
Explanation: None