Why Would a Food Web Rather Than a Food Chain

Why would a food web rather than a food chain be the preferred way to represent the movement of food through the community?

A) Food chains are oversimplified and suggest that a consumer eats only a single food item.
B) Food webs place producers at the bottom, whereas food chains place them at the top.
C) Food webs are based on a foundation of producers.
D) Ecologists prefer to use food chains to describe food movements.