Refer to the figure.
Based on these results, the push-up threat display of male side-blotched lizards is a(n)

A) deceitful signal that males use to fake a greater strength than they actually possess.
B) signal that other rival males eavesdrop on, thus incurring a cost to the displaying male.
C) honest signal that advertises the male's fighting capacity.
D) cue that transfers information but did not coevolve between the sender and receiver.