Question

which of the following is a type of helminth?
○ tape worm
○ flukes
○ round worm
○ all of the above.

Explanation:

Helminths are parasitic worms. Tapeworms (platyhelminths), flukes (also platyhelminths), and roundworms (nematodes) are all types of helminths. So "all of the above" is correct.

Answer:

D. all of the above.