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
Podophyllin is used to treat which type of wa: 
Select and explain. 
A. Plantar wa, B. Genital wa, C. Verruca plan, D. All of the above
B: Genital wa
Answer: B: Genital wa 
Explanation: Genital wa