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': 'Macrocytic anemia is not seen in: \nSelect and explain. \nA. Vitamin B12 deficency, B. Hemolytic anemia, C. Post haemmorgagic, D. Anemia of chronic disease', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Anemia of chronic disease', 'role': 'assistant'}]