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
Among pre-malignant oral lesions 
Select and explain. 
A. Leukoplakia should be proved by biopsy, B. Leukoplakia does not disappear even after cessation of smoking, C. Erythroplakia has a higher risk for malignancy than leukoplakia, D. Oral submucous fibrosis is seen in all parts of the world
C: Erythroplakia has a higher risk for malignancy than leukoplakia
Answer: C: Erythroplakia has a higher risk for malignancy than leukoplakia 
Explanation: None