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': 'Lymphatic filariasis caused by - \nSelect and explain. \nA. W. Bancrofti, B. Brugia malayi, C. Schistosoma, D. B. Timori', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Infection-Wuchereriasis or bancroftian filariasis 2 types Classical filariasis-adult worms Occult filariasis-embryos (refer pgno:168 baveja 3rd edition)', 'role': 'assistant'}]