Unlike a Cost Competitive Advantage,a Competitive Advantage Based on Product/service

Unlike a cost competitive advantage,a competitive advantage based on product/service differentiation:

A) ​tends to be more attractive to top managers because of its durability.
B) provides a shorter-lasting competitive advantage.
C) focuses primarily on offering a low-priced product or service than that of competitors.
D) ​lowers costs by removing frills and options from a product or service.