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: Medicine
Lead cause following except 
Select and explain. 
A. Uroporphyrinuria, B. Sideroblastic anemia, C. Basophilic stippling, D. Macrocytic anemia
D: Macrocytic anemia
Answer: D: Macrocytic anemia 
Explanation: None