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 is/are tuberculides 
Select and explain. 
A. Lichen scrofulosorum, B. Lichen nichidus, C. Lichen aureus, D. All
A: Lichen scrofulosorum
Answer: A: Lichen scrofulosorum 
Explanation: A i.e., Lichen scrofulosorum