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': 'The egg of which helminth can be concentrated in saturated salt solution - \nSelect and explain. \nA. Taenia saginata, B. Taenia solium, C. Unfeilized egg of Ascaris, D. Ancylostoma duodenale', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Ancylostoma duodenale", 'role': 'assistant'}]