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: Microbiology
Best test to see capsule of Cryptococcus neoformans in a sample of CSF: 
Select and explain. 
A. Gram staining., B. Giemsa staining., C. Indian ink., D. Methylene blue.
C: Indian ink.
Answer: C: Indian ink. 
Explanation: Indian ink smear remains the method of choice for detecting cryptococcus in CSF.