In which sentence would the word "vat" best replace the word "container"?

A. My mom asked me to get a plastic container out of the cupboard so that she could put away the leftovers.

B. There was some sort of metal container inside the box that we had received in the mail.

C. On our tour of the cheese factory, we saw a container in which they store hundreds of gallons of milk.

D. This refrigerator has a special container built into it that keeps fruits and vegetables fresh.