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': 'Fish acts as intermediate host in - \nSelect and explain. \nA. D. latum, B. Clonorchis sinensis, C. H. Diminuta, D. H. Nana', 'role': 'user'}, {'content': 'Answer: A \nExplanation: D.latum involves 2 intermediate hosts and it has freshwater aquatic life cycle First intermediate host:Copepods mainly of the genera Dioptomus and Cyclops Second intermediate host:Fresh water fishes (refer pgno:97 baveja 3 rd edition)', 'role': 'assistant'}]