When a Species of Bird Preys Upon the Seeds of a Plant

When a species of bird preys upon the seeds of a plant and favors the smallest seeds,

A) the prey species functions as an agent of natural selection on the predator.
B) natural selection favors individual plants that produce the largest seeds.
C) the plants compensate for their losses by producing proportionately more smaller seeds.
D) the bird species is unaffected when directional selection favors plants that produce the largest seeds.