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': 'Enterotest is used for diagnosis of \nSelect and explain. \nA. E. histolytica, B. N. fowleri, C. T. Cruzi, D. Giardia lambia', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Stringtest / enterotest is done in Giardia lambia in which bile stained mucus is collected for examination of Trophozoites.', 'role': 'assistant'}]