The Major Advantage That Deep-Sea Benthic Animals Have Over Pelagic

The major advantage that deep-sea benthic animals have over pelagic ones is that their food:

A) Is easier to digest.
B) Falls to the bottom and stays in one place,thus being available for a longer time.
C) Gets to be eaten before it gets to pelagic animals.
D) Gets decayed at much faster rates by chemosynthetic bacteria.
E) Produces less detritus.