Which of the Following Statements About Monopoly Power Is Correct

Which of the following statements about monopoly power is correct?

A) Monopoly power is the power attained solely by single firm monopolists.
B) Monopoly power is the power to raise price above average cost without facing new entry of firms.
C) Monopoly power is granted by the government to monopolists.
D) Firms attaining monopoly power always set the price at the maximum.