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: Pathology
Which of the following is a precancerous condition? 
Select and explain. 
A. Lichen Sclerosus, B. Condyloma acuminatum, C. Squamous cell hyperplasia, D. Vaginal adenosis
D: Vaginal adenosis
Answer: D: Vaginal adenosis 
Explanation: Option a,b,c are not considered pre-malignant lesions.