Walmart Recently Introduced "Site-To-Store" Service That

Walmart recently introduced "Site-to-Store" service that

A) offers shoppers a virtual reality shopping experience from their home computers.
B) allows customers to order online and receive free same-day pickup at a local store.
C) provides free shipping to customers if they order $50 or more of selected items.
D) allows customers to shop in-store using virtual personal shoppers.
E) allows customers to attend online auctions for Walmart overstock or seasonal items that are being discontinued to make room for new inventory.