Regarding Supermarkets, Which of the Following Statements Is TRUE

Regarding supermarkets, which of the following statements is TRUE?

A) It's best to think of supermarkets as "conventional retailers."
B) Supermarket net profits after taxes usually are about 1 percent of sales-or less.
C) Worldwide, supermarkets make up the majority of food stores.
D) The early supermarkets were based on the premise that consumers would pay more for better selection and service.
E) All of these statements about supermarkets are TRUE.