As a Means of Creating a Differential Advantage,some Retailers Have

As a means of creating a differential advantage,some retailers have responded to their customers' needs by creating formats that emphasize low prices.Which of the following would fall into these formats?

A) Hudson's Bay, Sears, and Winners
B) Old Navy, Gap, and Banana Republic
C) Sportchek, La Senza, and Canadian Tire
D) Target, Walmart, and Costco
E) Radio Shack, Moores, and Tip Top Tailors