"Supermarkets" Have Different Meanings in Different Countries

"Supermarkets" have different meanings in different countries. Which statement regarding supermarkets is not accurate?

A) A U.S. supermarket is typically a large store belonging to a national or regional chain.
B) A Polish supermarket is probably made up of different stores that carry an assortment of products.
C) Supermarkets in Switzerland carry a larger variety of products, but not as wide an assortment of competing brands as their U.S. equivalents.
D) Supermarkets in Germany carry a smaller variety of products, but a wider assortment of competing brands than their US. equivalents.