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': 'A 32 year old man presented with various signs and symptoms after consuming crab from a local restaurant. Which can be transmitted through crab? \nSelect and explain. \nA. Diphyllobothrium, B. Clonorchis sinensis, C. Paragonimus westermanii, D. Enterobius', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Crab and crayfishes are sources of infection with lung fluke or paragonimus westermanii. It may cause a sub-acute to chronic inflammatory disease of the lung. Ref: Arora.Medical parasitology 4th ed pg. 5', 'role': 'assistant'}]