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: Skin
Donovan bodies are seen in ? 
Select and explain. 
A. Leishmaniadonovani, B. Chlamydia trachomatis, C. Klebsiella, D. Calymmatobacteriumgranulomatis
D: Calymmatobacteriumgranulomatis
Answer: D: Calymmatobacteriumgranulomatis 
Explanation: Ans. is 'd' i.e., Calymmatobacteriumgranulomatis