As Alan Strolled Through a Shopping Center,he Tried to Relate

 As Alan strolled through a shopping center,he tried to relate his lessons in a marketing class to his observations at the mall.Which of Alan's interpretations do you believe to be most accurate? 

A)  The Tie Shop, which only sells ties, would have a wide product mix.
B)  The Dollar Tree, which sells everything from baby rattles and potting soil to contact lens cleaning solution, would have a narrow product mix and a deep assortment.
C)  The Christian Superstore, which sells hundreds of self-help books, novels, and music with a religious theme, has a narrow and deep product mix.
D)  Louie's Bakery, which sells thirty-six different kinds of muffins, would have a deep product mix.