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: Dental
Mucin in mucous cells usually demonstrated by 
Select and explain. 
A. PAP stain, B. H & E stain, C. Mucicarmine stain, D. Mallory stain
C: Mucicarmine stain
Answer: C: Mucicarmine stain 
Explanation: None