Which of the Following Examples Describes a Behavioral Pattern That

Which of the following examples describes a behavioral pattern that results from a proximate cause?

A) A cat kills a mouse to obtain nutrition.
B) A male sheep fights with another male because that behavior helps to improve its social position.
C) A female bird lays its eggs because the amount of daylight is decreasing slightly each day.
D) A goose squats and freezes motionless to escape a predator.
E) A cockroach runs into a crack in the wall to avoid being stepped on.