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
Papules are seen in all except: 
Select and explain. 
A. Erythema multiformae, B. Sarcoidosis, C. Darrier's disease, D. Leukoplakia
D: Leukoplakia
Answer: D: Leukoplakia 
Explanation: None