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
Which of the following parastie passes through three hosts - 
Select and explain. 
A. Fasciola hepatica, B. Fasciola buski, C. Schistosoma haematobium, D. Clonorchis sinensis
D: Clonorchis sinensis
Answer: D: Clonorchis sinensis 
Explanation: Ans. is 'd' i.e., Clonorchis sinensis Parasites with a complex life cycle with three hosts Parasite Definitive fi Host H De First Inter- mediate host Second inter- mediate host Cestodes Diphyllobothrium Human beings, animals Cyclops Fish Trematodes Opisthorchis sinensis Human beings, animals Snails Fish Paragonimus westermani Human beings Snails Crabs, Crayfish