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': 'Most common cause of cutaneous larva migrans: \nSelect and explain. \nA. Ankylostoma caninum, B. Toxocora canis, C. Toxocara cati, D. Ghathostoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. Ankylostoma caninum', 'role': 'assistant'}]