B. Tail tip free from nuclei.
D. All of the above.
Wuchereria bancrofti is a human parasitic roundworm that is the major cause of lymphatic filariasis. It is one of the three parasitic worms, together with Brugia malayi and B. timori, that infect the lymphatic system to cause lymphatic filariasis.
Sheathed, no nuclei in the tip of the tail.