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
[{'content': 'Stain used for staining fungal elements - \nSelect and explain. \nA. Acid fast stain, B. Mucicarmine, C. Methenamine silver, D. Gram stain', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Routinely used stains for the demonstration for fungal elements in tissue sections are : -\n\n\nMethenamine silver\nPeriodic acid Schiff (PAS)', 'role': 'assistant'}]