Which sentence uses commas correctly?
(a)small owls hunt for insects, earthworms, and spiders and large owls capture mice, other birds, and snakes.
(b)small owls hunt for insects, earthworms, and spiders, and large owls capture mice, other birds, and snakes.
(c)small owls hunt for insects earthworms, and spiders; and large owls capture mice, other birds, and snakes.