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 place lay-away orders online and keep them at the store until they are fully paid.
C) allows customers to order online and pick up the order without a shipping fee at the store of their choice.
D) allows customers to surf the net to compare prices.If they find a better deal, they can e-mail Walmart and Walmart will honor the competitor's price.
E) allows customers hold on-line auctions for Walmart overstock or seasonal items that are being taken off the shelves to make room for new inventory.