Why do brands matter to firms?（ ）

A、A brand can have intellectual property rights, offering legal title to the brand owner.
B、Brands can also provide a certain level of a signal of quality, facilitating satisfied consumers to easily choose the product again.
C、Branding can be viewed as a powerful means to secure competitive advantage.
D、Brands are valuable pieces of legal property, capable of attracting many loyal consumers and of influencing potential consumers