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: Pathology
In a child on lower lip exophytic growth, finger like projections and hyperkeratosis, same type of growth on dorsal surface of left thumb which is shorter than right thumb is? 
Select and explain. 
A. Squamous cell carcinoma, B. Acantholysis, C. Papilloma, D. Verrucous carcinoma
C: Papilloma
Answer: C: Papilloma 
Explanation: None