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
The oral lesion called mucous patches is usually multiple, grayish white plaque associated with 
Select and explain. 
A. Pain, B. No pain, C. Itching, D. Burning sensation
B: No pain
Answer: B: No pain 
Explanation: None