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: Skin
True about lichen planus- 
Select and explain. 
A. Basal cell degeneration, B. Colloid bodies seen, C. Epidermal hyperplasia in chronic cases, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: A i.e. Basal cell degeneration; B i.e. Colloid bodies seen; C i.e. Epidermal hyperplasia in chronic cases