This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pathology
[{'content': "In Hirschsprung'S disease, staining used for diagnosis is? \nSelect and explain. \nA. Fontana stain, B. Trinchome stain, C. AChE, D. Auramine Rhodamine stain", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Histochemical staining for acetylcholine esterase activity provides confirmation for identifying ganglion cells and nerve trunks. TEXTBOOK OF PATHOLOGY 6TH EDITION HARSH MOHAN PAGE NO:580', 'role': 'assistant'}]