In the Long Run, a Monopolistically Competitive Firm Will Not

In the long run, a monopolistically competitive firm will not produce at the output level that minimizes average cost because:​

A) MC is less than MR at that output level.
B) MC is greater than MR at that output level.
C) Price is greater than MR at that output level.
D) demand is horizontal.
E) that would leave the firm with excess capacity.