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: Pathology
[{'content': 'Which of the following is a nutritional deficiency anemia? \nSelect and explain. \nA. Aplastic anemia, B. Sickle cell anemia, C. Megaloblastic anemia, D. Hemolytic anemia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]