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': 'Increased iron binding capacity and decreased serum iron is seen in which anemia: \nSelect and explain. \nA. Iron deficiency, B. Aplastic, C. Sickle cell, D. Chronic infections', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]