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': 'Which of the following is seen in the peripheral smear of a patient who has underwent splenectomy - \nSelect and explain. \nA. Howell-Jolly bodies, B. Eosinophilia, C. Macrocytosis, D. Thrombocytopenia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]