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
Black dot ring worm is caused by- 
Select and explain. 
A. Microsporon, B. Trichophyton, C. Epidermophyton, D. Candida
B: Trichophyton
Answer: B: Trichophyton 
Explanation: B. i.e. Trichophyton