Answer:
c. A niche competitive advantage
Step-by-step explanation:
Note, the term niche is often synonymous with the term target market In other words, any widely recognized brand name like BMW has a niche competitive advantage, like been a luxury car, etc.
By niche, we mean when people think about a BMW they remember it's for the high-class persons, who fancy luxury cars, and there is this competitive advantage that arises as people long to get this high-class product.