Check my work anyone? Fan and Medal!

Which sentence uses commas correctly?

A.
When we went to Africa, we visited relatives in Tunisia Algeria and Niger.

B.
Delaware, Massachusetts, and Pennsylvania, were among the first states.

C.
Modern paper is made from, wood, straw, rags, or grass.

D.
They voted for Cesar, Sue, Brittany, and Avi in the election.

Question

Check my work anyone? Fan and Medal!

Which sentence uses commas correctly?	
 
 A.
When we went to Africa, we visited relatives in Tunisia Algeria and Niger.
 
 B.
Delaware, Massachusetts, and Pennsylvania, were among the first states.
 
 C.
Modern paper is made from, wood, straw, rags, or grass.
 
 D.
They voted for Cesar, Sue, Brittany, and Avi in the election.

anonymous · Answer

I wanna say it's D.

anonymous · Answer

I think it's B but I wasn't sure

anonymous · Answer

Ok I'm gonna go with D. Thanks for your help :)

anonymous · Answer

No problem. I try.