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: Microbiology
[{'content': 'Donovan bodies are : \nSelect and explain. \nA. Leukocytes that contain the organism, Calymmatobacterium granulomatis, B. Eosinophils that contain the organism, Calymmatobacterium granulomatis, C. Monocytes that contain the organism, Haemophilus influenza, D. Monocytes that contain the organism, Calymmatobacterium granulomatis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Monocytes that contain the organism, Calymmatobacterium granulomatis', 'role': 'assistant'}]