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
[{'content': 'Features of hereditary spherocytosis include all of the following except - \nSelect and explain. \nA. ↑ Osmotic fragility, B. ↑MCHC, C. ↑ MCV, D. Decrease surface area per unit volume', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]