Regarding Retail Sales in the U

Regarding retail sales in the U.S., it is true that:

A) less than 8 percent of all retail sales are made by smaller stores--those with sales less than $1 million a year.
B) almost 70 percent of all retail sales are made by the largest stores--those with sales over $5 million a year.
C) corporate chains account for about 50 percent of retail sales.
D) All of the above are true.
E) None of the above is true.