Question

Which sentence uses commas correctly?

a.
We toured, an organic farm, a conventional farm, a food processing plant, and a grocery store.

b.
We toured an organic, farm, a conventional, farm, a food processing plant, and a grocery store.

c.
We toured, an organic farm a conventional farm, a food processing plant and a grocery store.

d.
We toured an organic farm, a conventional farm, a food processing plant, and a grocery store.

Answer 1

It is D because it is

Answer 2

the correct answer is d