38. The passage points to which of the following as a characteristic of trap-jaw ants’ mandibles that prevents the ants from harming themselves with their powerful bite?
A. A hinge prevents the mandibles from snapping together forcefully.
B. Mandibles with cushioned inner edges provide a buffer when the mandibles snap shut.
C. A latch mechanism prevents the mandibles from closing completely.
D. The mandibles begin to decelerate before they meet.