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
A patient with microcytic hypochromic anemia, Hb-9%, serum iron is 20 ?/dl, ferritin level 800 mg/ ml, transferrin percentage saturation is 64. What is possible diagnosis - 
Select and explain. 
A. Atransferrinemia, B. Iron deficiency anemia, C. DMT 1 mutation, D. Hemochromatosis
A: Atransferrinemia
Answer: A: Atransferrinemia 
Explanation: None