This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
Organism associated with fish consuption and also causes carcinoma gallbladder 
Select and explain. 
A. Gnathostoma, B. Anglostrongyloidosis cantonensis, C. Clonorchis sinensis, D. H. dimunata
C: Clonorchis sinensis
Answer: C: Clonorchis sinensis 
Explanation: Clonorchis sinensis is a liver fluke that can infect the liver,gallbladder & bile duct.The eggs of Clonorchis sinensis are ingested by freshwater snails.After the eggs hatch,infected snails will release microscopic larvae that will enter freshwater fish.People become infected when eating the parasite containing cysts within infected raw/undercooked fish.