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': 'The cause of larva currens: March 2013 \nSelect and explain. \nA. Strongyloides stercoralis, B. Necator americana, C. Ankylostoma duodenale, D. H. nana', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A i.e. Strongyloides stercoralis Larva cu-ens is an itchy, cutaneous condition caused by infections with Strongyloides stercoralis that intermittently comes and goes every few hours', 'role': 'assistant'}]