Most people develop wisdom teeth by early adulthood. Wisdom teeth can cause pain or crowd out their other teeth, so many people have these teeth removed. Wisdom teeth in modern humans do not perform a crucial life function. Which statement best describes the importance of wisdom teeth to human evolution?

A. They are vestigial structures that once performed an important function for human ancestors.

B. They are evidence that humans have never evolved.

C. They are vestigial structures that never performed a necessary function for human
ancestors.

D. They are evidence that humans cannot evolve.