If a Dominant Firm Is Charged with Refusal to Deal

Multiple Choice

If a dominant firm is charged with refusal to deal under antitrust law, it is being charged because

A) the firm will not set its price at the regulated rate.
B) it is refusing to sell a key input to downstream rivals, thereby reducing or destroying competition.
C) it is refusing to cooperate with antitrust authorities, such as the Department of Justice.
D) it will sell its products only to people who agree to buy only from it and not from rival firms.