This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
[{'content': 'The egg of which helminth can be concentrated in saturated solution - \nSelect and explain. \nA. Taenia saginata, B. Taenia solium, C. Unfeilized egg of Ascaris, D. Ancylostoma duodenale', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Helminth eggs floating in saturated salt solution: Hell FATE Hell-Helminth,H.nana F-Feilised eggs of Ascaris A-Ancylostoma duodenale T-Trichuris trichiura E-Enterobius vermicularis', 'role': 'assistant'}]