Buyer Bargaining Power Is Stronger When

Buyer bargaining power is stronger when

A) winning the business of certain high-profile customers offers a seller important market exposure or prestige.
B) the extent and importance of collaborative partnerships and alliances between particular sellers and buyers are credible.
C) buyers cannot integrate backward into the product market of sellers.
D) sellers' products are differentiated, making it easy and inexpensive for buyers to switch to competing brands.
E) the industry's products are standardized or undifferentiated.