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
[{'content': 'Among pre-malignant oral lesions \nSelect and explain. \nA. 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', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]