A)It is a polymer composed of enantiomers of glucose. B)It is a storage polysaccharide for energy in plant cells. C)It is digestible by bacteria in the human gut. D)It is a major structural component of plant cell walls. E)It is a polymer composed of enantiomers of glucose, it is a storage polysaccharide for energy in plant cells, it is digestible by bacteria in the human gut, and it is a major structural component of plant cell walls.