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
Elongated rete pegs are seen in: 
Select and explain. 
A. Alveolar mucosa, B. Floor of the mouth, C. Attached gingiva, D. Buccal mucosa
C: Attached gingiva
Answer: C: Attached gingiva 
Explanation: None