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
Which of the following cause non-cicatracial alopecia ? 
Select and explain. 
A. Tenia capitis, B. SLE, C. Alopecia areata, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Ans. is 'd' i.e., All of the above