When a Company Uses a Product Line Extension, It

When a company uses a product line extension, it

A) markets a product under a new brand name so that consumers will view it as an entirely new product line.
B) markets a new product with the current brand name to enter a new market segment in its product class.
C) speeds up the movement of a product through its product life cycle.
D) contracts with another firm to manufacture modified versions of the original products.
E) applies the current brand name to enter a completely different product class.