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
Treatment of Helicobacter pylori are EXCEPT 
Select and explain. 
A. Clarithromycin, B. Cisapride, C. Bismuth subsalicylate, D. Metronidazole
B: Cisapride
Answer: B: Cisapride 
Explanation: (Cisapride) (1124-CMDT- 08) (949-H17th)Helicobacter pylori* Drug of choice - Amoxicillin + Clarithromycin + Proton pump inhibitor (PPI)* Alternative drugs - Bismuth subsalicylate + Tetracycline + metronidazole + PPI