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
Fries test is used in the diagnosis of: 
Select and explain. 
A. Gonorrhoea, B. Herpes, C. Chanchroid, D. Granuloma venereum
D: Granuloma venereum
Answer: D: Granuloma venereum 
Explanation: Granuloma venereum