This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Histo Pathology, Subject name: Pathology
Stain used for pneumocystis carinii is:(1994) 
Select and explain. 
A. Methylene blue, B. Gram stain, C. Hematoxylin and eosin, D. Methenamine silver
D: Methenamine silver
Answer: D: Methenamine silver 
Explanation: Ans: dRef: Chandrasoma Taylor, 3rd ed, p. 347