Which of the following statements is true about the five forces identified by Michael Porter, that

determine the intrinsic long-run attractiveness of a market or market segment?

A) A segment is unattractive if the company's suppliers are unable to raise prices or reduce quantity supplied.
B) A segment is unattractive if buyers possess strong or growing bargaining power.
C) A segment is attractive when there are actual or potential substitutes for the product.
D) A segment is attractive if it already contains numerous, strong, or aggressive competitors.
E) The most attractive segment is one in which entry barriers are low and exit barriers are high.

B