单项选择题
A．the quantity of foods B．the quality of foods C．either the quantity or the quality of foods D．the quality as well as the quantity
A．foods containing large quantities of refined flour and vegetables B．foods with fibers removed C．foods with more fibers D．food with additives
A．complain personally to the manager B．threaten to take the matter to court C．write a firm letter of complaint to the store of purchase D．show some written proof of the purchase to the store