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
Intraepithelial vacuolation with formation of vesicle or bulla intraepithelially above the basal layer is characteristically seen in: 
Select and explain. 
A. Candida alhicans, B. Bullous pemphigoid, C. Pemphigus, D. Lichen planus
C: Pemphigus
Answer: C: Pemphigus 
Explanation: None