Based on its context, which meaning of refreshed is used in this passage from “The Secret Bunker Congress Never Used”?

“For that 30 years, you had to make sure all the filters were changed, all the pharmaceuticals
were up-to-date, and all the food was ready to go,” Conte says. That would be a six-month
supply of food, periodically refreshed.

A. made to look like new
B. repaired to be stronger
C. updated on a computer
D. filled with new supplies