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: Dental
Histological examination of the tissues in desquamative gingivitis would reveal? 
Select and explain. 
A. Hyperkeratosis, B. Elongation of rete pegs, C. Loss of basement membrane, D. No inflammatory response
C: Loss of basement membrane
Answer: C: Loss of basement membrane 
Explanation: None