All the Following Statements Are True Except

Multiple Choice

All the following statements are true except:

A) Perfect competition can only exist in industries with a large number of firms.
B) A monopoly market structure cannot exist in an industry with an undifferentiated product.
C) Monopolistic competition implies that each firm has some ability to differentiate its product.
D) Oligopoly can exist in industries with differentiated and undifferentiated products.