Campbells and European Food Wholesalers Supply a Limited Number of Lines

Campbells and European Food Wholesalers supply a limited number of lines of high-turnover products to small businesses, which pay in cash and transport the products themselves. This is an example of___:

A) merchant wholesaler.
B) cash and carry wholesaler.
C) general merchandise wholesaler.
D) speciality line wholesaler.
E) None of the above.