A Monopolistically Competitive Firm and a Monopoly Are Similar Because

A monopolistically competitive firm and a monopoly are similar because

A) both firms always operate at their point of minimum average total cost.
B) both firms must behave strategically toward other firms in the industry.
C) each firm can raise its price without losing all of its sales.
D) each firm has a large number of small competitors.
E) both firms will earn zero profits in the long run.