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: Surgery
Follman's balanitis is caused by - 
Select and explain. 
A. Trichomonas, B. Candida, C. H. Ducreyl, D. None
D: None
Answer: D: None 
Explanation: Follman's balanitis is seen in syphilis.