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
[{'content': '"Visceral" Larva Migrans is due to: \nSelect and explain. \nA. Ascariasis, B. Toxocara canis, C. Schistosomiasis, D. Loa Loa', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Toxocara canis', 'role': 'assistant'}]