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
The egg of which helminth can be concentrated in saturated solution - 
Select and explain. 
A. Taenia saginata, B. Taenia solium, C. Unfeilized egg of Ascaris, D. Ancylostoma duodenale
D: Ancylostoma duodenale
Answer: D: Ancylostoma duodenale 
Explanation: 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