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: Ophthalmology
All of the following are pre-cancerous conditions of the lids except: 
Select and explain. 
A. Naevi, B. Solar keratosis, C. Xeroderma pigmentosa, D. Carcinoma-in-situ
A: Naevi
Answer: A: Naevi 
Explanation: Ans. Naevi