-The Above Figure Shows a Monopolistically Competitive Firm

-The above figure shows a monopolistically competitive firm. The figure

A) could be either a short- run or long- run illustration because monopolistically competitive firms can make an economic profit in the long- run.
B) is only a long- run illustration because the firm is making zero economic profit.
C) is only a short- run illustration because the firm is making an economic profit.
D) is neither a short- nor a long- run illustration.