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
White lesion with definite precancerous potential 
Select and explain. 
A. Leukoplakia, B. Discoid lupus Erythematosus, C. Lichen Planus, D. All of the above
A: Leukoplakia
Answer: A: Leukoplakia 
Explanation: None