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
Hydrocele and edema in foot occur in: 
Select and explain. 
A. W. Bancrofti, B. B. Malayi, C. B. Timori, D. Oncocerca
A: W. Bancrofti
Answer: A: W. Bancrofti 
Explanation: Ans. (a) W. Boncrofti