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
Hypergastrinemia with hypochlorhydria is seen in - 
Select and explain. 
A. Zollinger Ellison Syndrome, B. VIPoma, C. Penicious anemia, D. Glucagonoma
C: Penicious anemia
Answer: C: Penicious anemia 
Explanation: None