PLEASE ANSWER ASAP Which characteristic is unique to segmented worms and is absent from roundworms and flatworms?

A. Segmented worms may be hermaphrodites.

B. Segmented worms may have a nervous system.

C. Segmented worms may have two body openings.

D. Segmented worms may be covered in setae.

EDIT: Its to late.. but please still answer

D. Segmented worms may be covered in setae.

Explanation:

Setae are hair like structure structures present only in segmented worms such as earthworms. It prevents earthworms to slip back from the surface. Setae are absent in Roundworms and Flatworms.

Other options in the question can be common in all of these Worms.

i think that c)gold was found there

but i am not sure