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: Unknown
Condyloma accuminatum caused most commonly by human papilloma virus (HPV) types of 
Select and explain. 
A. 18,31, B. 17, 12, C. 6,11, D. 16,18
C: 6,11
Answer: C: 6,11 
Explanation: Ans- C 6,11