Which sentence uses commas correctly?

A.
When we traveled through Europe, we visited several cities in France Switzerland and Germany.

B.
Hawaii, Alaska, Arizona, and New Mexico, are the most recently added states.

C.
We cheered for Louie, Tyler, Niles, and Patrick at the baseball game.

D.
Pigs on this farm are fed a diet rich in, protein, carbohydrates, vitamins, and minerals.

Question

Which sentence uses commas correctly?  
 
 

 
 

  

  A. 
  When we traveled through Europe, we visited several cities in France Switzerland and Germany.   
   

 
 

  

  B. 
  Hawaii, Alaska, Arizona, and New Mexico, are the most recently added states.   
   

 
 

  

  C. 
  We cheered for Louie, Tyler, Niles, and Patrick at the baseball game.   
   

 
 

  

  D. 
  Pigs on this farm are fed a diet rich in, protein, carbohydrates, vitamins, and minerals.

whitemonsterbunny17 · Answer

It is C. (: