Fish acts as intermediate host in -a) D. latumb) Clonorchis sinensisc) H. Diminutad) H. Nana
High-Yield Explanation
Fish acts as intermediate host: Diphyllobothrium latum, Clonorchis sinensis, Paragonimus westermani (Crab fish), Metagonimus spp., Heterophyes heterophyes
In case of H. nana Human, rat and mouse acts as both definitive and intermediate host, no intermediate host.
In case of H. diminuta: Flea acts as intermediate host.