A Firm _____ Is Likely to Be an Oligopolist

A firm _____ is likely to be an oligopolist.

A) that faces a horizontal demand curve
B) that maximizes profit by producing a level of output at which marginal revenue exceeds marginal cost
C) that produces a significant share of market output before low average costs can be achieved
D) that acts as a price taker
E) that earns zero economic profit in the long run