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
Macrocytic anemia is not seen in: 
Select and explain. 
A. Vitamin B12 deficency, B. Hemolytic anemia, C. Post haemmorgagic, D. Anemia of chronic disease
D: Anemia of chronic disease
Answer: D: Anemia of chronic disease 
Explanation: Anemia of chronic disease