What Is a Competitive Advantage

What is a competitive advantage?

A) A feature of a product or service on which customers place a lesser value on than on similar offerings from a new competitor.
B) A brand name customers place a greater value on than the quality of the product or service.
C) A service that customers place a lesser value on than similar offerings from a supplier.
D) A feature of a product or service on which customers place a greater value than on similar offerings from competitors.