[单选题]
An analyst is evaluating the degree of competition in an industry and compiles the following information:
Few significant barriers to entry or exit exist.
Firms in the industry produce slightly differentiated products.
Each firm faces a demand curve that is largely unaffected by the actions of other individual firms in the industry.
The analyst should characterize the competitive structure of this industry as:
A.oligopoly.
B.monopoly.
C.Monopolistic competition.