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
Lymphatic filariasis caused by - 
Select and explain. 
A. W. Bancrofti, B. Brugia malayi, C. Schistosoma, D. B. Timori
A: W. Bancrofti
Answer: A: W. Bancrofti 
Explanation: Infection-Wuchereriasis or bancroftian filariasis 2 types Classical filariasis-adult worms Occult filariasis-embryos (refer pgno:168 baveja 3rd edition)