Which of the sentences below has correct punctuation for a nonessential phrase (a phrase that is not needed)? *

Question

a.The cheetah spotted, animal, runs the deserts of the world.
b.The cheetah, a spotted animal, runs the deserts of the world
c.The cheetah, a spotted animal runs the deserts of the world.
d.The cheetah a spotted animal runs the deserts of the world.

Answer 1

Which nonessential phrase has TWO commas — one before it and one after?

Answer 2

I am assuming that the answer could be A, because of unnecessary comma use.