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 pruritic: 
Select and explain. 
A. Lichen planus, B. Psoriasis, C. Icthyosis, D. Secondary syphilis
A: Lichen planus
Answer: A: Lichen planus 
Explanation: A. i.e. Lichen planus