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
Ulcer in lesser curvature in 65-year-old male biopsy negative for malignancy not healing after 6 weeks of H2  blocker next treatment is - 
Select and explain. 
A. Repeat biopsy, B. Total gastrectomy, C. Partial gastrectomy, D. Hydrogen blocker for another 6 weeks
D: Hydrogen blocker for another 6 weeks
Answer: D: Hydrogen blocker for another 6 weeks 
Explanation: None