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: Surgery
Raised gastrin level without associated increase in acid secretion is seen in - 
Select and explain. 
A. Carcinoma stomach, B. Gastrinoma, C. Pernicious anemia, D. G cell hyperplasia
C: Pernicious anemia
Answer: C: Pernicious anemia 
Explanation: None