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': 'The blood indices which reflects iron deficiency more accurately is - \nSelect and explain. \nA. MCV, B. MCH, C. MCHC, D. PCV', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]