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': "Crew haircut appearance in X-ray skull and Gandy gamma bodies are seen in - \nSelect and explain. \nA. G-6-PD deficiency, B. Hodgkin's lymphoma, C. Hereditary spherocytosis, D. Sickle cell anaemia", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]