Of the following, which one is an example of an evolutionary explanation (as opposed to a functional explanation)?

A. People evolved a fear of snakes because many snakes are dangerous.

B. Humans have a (tiny) tailbone because our ancient monkey-like ancestors had a tail.

C. People evolved an ability to recognize faces because that ability is essential for cooperative social behaviors.

D. People evolved a tendency to form long-term male–

female bonds because human infants benefit from the help of two parents during their long period of dependence.