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': 'Kala azar is: \nSelect and explain. \nA. Mucocutaneous leishmaniasis, B. Cutaneous leishmaniasis, C. Oriental sore, D. Visceral leishmaniasis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. d. Visceral leishmaniasis', 'role': 'assistant'}]