Horsehair Worms, in the Phylum Nematomorpha, Do Not Have a Respiratory

Horsehair worms, in the phylum Nematomorpha, do not have a respiratory system. They are usually found in p of water or on damp sidewalks and patios, or they may come wiggling out of insects. These creatures have no ec importance other than being parasitic to some insects. Based on this scenario, horsehair worms are most likely to

A) have a large surface area compared with their volume.
B) be unable to efficiently digest food.
C) have a dry skin surface.
D) have very thick bodies.
E) use large amounts of energy.