What is the difference a detritivore and a decomposer?

Question

A. While detritivores consume both plants animals, decomposers only consume dead animals
B. While detritivores feed on dead organic matter, decomposers actually break down dead or decaying organisms
C. While detritivores are heterotrophic, decomposers are autotrophic.
D. While detritivores consume animals, decomposers only consume plants

Answer 1

B. While detritivores feed on dead organic matter, decomposers actually break down dead or decaying organisms