单项选择题
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
A．how to settle a consumer's complaint about a faulty item B．how to make an effective complaint about a faulty item C．how to avoid buying a faulty item D．how to deal with complaints from customers