Arla's family is on a tight budget but enjoys shopping for fresh groceries every week. They have a few grocery stores close to their home with transportation available, and Arla's mom keeps track of weekly ads in the papers they receive in the mail, along with any offers she sees online for specific brands. What would be the BEST option for Arla's family?

A. Shopping at a big box store that requires a membership
B. Shopping at a local upscale store for fresh food
C. Shopping weekly sales to save money on fresh items
D. Shopping with a delivery service to bring their food home​