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: Unknown
[{'content': 'Which of the following facilitates entry of iron \nSelect and explain. \nA. Hepcidin, B. DMT-2, C. DMT-1, D. Ferroportin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref. API Textbook of Medicine. Pg. 1245', 'role': 'assistant'}]