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': 'Anemia of chronic disorder is characterized by - \nSelect and explain. \nA. ↑Sideroblast, B. ↑TIBC, C. ↑Bone marrow iron, D. ↑Protoporphyrin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]