36. One main purpose of the last paragraph is to suggest that unlike their bouncer-defense jump, the trap-jaw ants’ escape jump may have arisen through:
A. the ants’ trying and failing to bite intruders.
B. a change in the structure of the mandibles of several lineages of ants.
C. an accidental behavior of the ants.
D. the ants’ experiencing a positive outcome when they would attack in a large group.