Walmart Recently Introduced Its Site-To-Store Service That

Walmart recently introduced its 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 $45 or more of selected items.
D) allows customers to "showroom," coming to the store, compare an item's price on the Internet, and then honor a competitor's lower price if they bring an ad of the item to the store.
E) allows customers hold online auctions for Walmart overstock or seasonal items that are being discontinued to make room for new inventory.