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: Medicine
A patient presents with subcutaneou nodules over Rt. iliac crest. Lymph node as well as skin smear shows microfilariae. Patient also has eye manifestatons .Most common filarial species involved - 
Select and explain. 
A. Brugis timori, B. Onchocerca volvulus, C. Loa Loa, D. Mansonelle ozaradi
B: Onchocerca volvulus
Answer: B: Onchocerca volvulus 
Explanation: None