In What Way Does the Mesogleal Layer Found in Both

In what way does the mesogleal layer found in both ctenophores and cnidarians help these organisms survive, even when prey is scarce?

A) Prey adheres to the sticky surface of the mesoglea.
B) The mesoglea is biologically inert.
C) The mesoglea allows the animal to capture large prey items.
D) Mesogleal molecules provide nutrients to the host animal.
E) The mesoglea houses photosynthetic bacteria that supplement the nutrition obtained from prey.