If a Monopolistically Competitive Industry Is in Long-Run Equilibrium,then for Each

If a monopolistically competitive industry is in long-run equilibrium,then for each firm

A) the demand curve is tangent to its LRAC curve.
B) the MC curve intersects MR at the minimum level of its LRAC curve.
C) price equals MC at the minimum level of the firm's LRAC curve.
D) the demand curve cuts the MC curve at the minimum level of the LRAC curve.
E) positive profits are being earned.