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
Kala azar is: 
Select and explain. 
A. Mucocutaneous leishmaniasis, B. Cutaneous leishmaniasis, C. Oriental sore, D. Visceral leishmaniasis
D: Visceral leishmaniasis
Answer: D: Visceral leishmaniasis 
Explanation: Ans. d. Visceral leishmaniasis