Which use case does NOT require the use of multiple sites or multiple instances?
A. A company has stores in multiple countries and their stores only differ by the languages and currencies they support
B. A company wants to expand their brand to multiple countries with multiple languages and currencies. The stores sell different products and have different promotions, but share shoppers
C. A company has two brands with mostly different products. The brand stores have separate carts, payment gateways, and tax providers, with a unique look and feel
D. A company operates three distinct brands operating as separate business units with different teams. The brands share no layouts, promotions, content, products, or shoppers