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
Test tube rete pegs are the characteristics feature of : 
Select and explain. 
A. Dilantin hyperplasia., B. Lichen planus., C. Oral submocous fibrosis., D. All of the above.
A: Dilantin hyperplasia.
Answer: A: Dilantin hyperplasia. 
Explanation: None