Final answer:
Snakes are most likely descended from either aquatic or burrowing lizards over 100 million years ago. The option (C) is correct.
Step-by-step explanation:
Snakes are most likely descended from aquatic lizards or burrowing lizards over 100 million years ago. Snakes belong to the largest order of reptiles, Squamata, which also includes lizards.
They are thought to have evolved from lizards that adapted to a more specialized lifestyle. Snakes are legless and carnivorous, and they eat small animals, birds, fish, and insects. Therefore, option (C) is correct.