Which of the Following Statements About Limited-Function Wholesalers Is TRUE

Which of the following statements about limited-function wholesalers is TRUE?

A) Cash-and-carry wholesalers serve small retailers but don't provide credit.
B) Truck wholesalers sell perishable products which other wholesalers prefer not to carry.
C) Rack jobbers specialize in nonfood products that sell in small quantities.
D) Catalog wholesalers sell hardware, jewelry, sporting goods, and general merchandise--often catering to small industrial or retailer customers.
E) All of the above are true.