The Fact That Small, Nonfunctioning Hind Legs Are Found in the Skeletons

Multiple Choice

The fact that small, nonfunctioning hind legs are found in the skeletons of many snakes suggests that snakes

A) are in the process of evolving legs.
B) evolved from organisms with legs.
C) are really populations of lizards with severe mutation in limb development.
D) evolved from eels (snakelike fish) .