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
Scarring alopecia is seen in – 
Select and explain. 
A. T. Capitis, B. Androgenic alopecia, C. Alopecia areata, D. Lichen planus
D: Lichen planus
Answer: D: Lichen planus 
Explanation: None