Which Statement Describes an Example of Interference Competition

Which statement describes an example of interference competition?

A) The early bird gets the worm; the late bird goes hungry.
B) The sparrow feeds on one side of the bird feeder; the finch feeds on the other side.
C) The robin bathes in the birdbath; the catbird waits for its turn.
D) The mother bird arrives at the nest and feeds the first open mouth she sees.
E) The woodpecker feeds on the suet; the blue jay arrives to feed and scares the woodpecker away.