Which Statement Is Correct

Which statement is correct?

A) In the short run,the pure monopolist will maximize total profits by producing at that level of output where the difference between price and average total cost is greatest.
B) In the short run,the pure monopolist will charge the highest price it can get for its product.
C) Because of its ability to administer prices,the pure monopolist can increase its price and increase its volume of sales simultaneously.
D) Pure monopolists do not always realize economic profits.