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
[{'content': 'Raised gastrin level without associated increase in acid secretion is seen in - \nSelect and explain. \nA. Carcinoma stomach, B. Gastrinoma, C. Pernicious anemia, D. G cell hyperplasia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]