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': 'Gandy Gamma bodies are seen in - \nSelect and explain. \nA. Sickle cell anemia, B. Thalassemia, C. Hereditary spherocytosis, D. Vit.B12 deficiency', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]