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
Which of the following conditions causes alopecia without scarring – 
Select and explain. 
A. DT F, B. Herpes Zoster, C. Alopecia areata, D. Lichen planus pilaris
C: Alopecia areata
Answer: C: Alopecia areata 
Explanation: Alopecia areata is non-cicatricial alopecia.