题目内容：
根据材料，完成题。It is wise to remember that you do not have to buy anything from any salesperson．You ought to buy only those things you really need or want and can76．Try not to let your personal feelings about the salesperson 77 you to make a purchase．Remember thatyour are entitled to ask a salesperson any question you wish 78 the product or service,and you are entitled to get a clear, complete79．You can tell the salesperson you want to think about the matter for a few days, 80 that want to talk to other people who have purchased the product or service．You can walk 81 from a salesperson without a polite end to the conversation．If a salesperson telephones you, you do not have to listen to the person's entire "lecture" or respond to it in a friendly way．You can simply82 the telephone without saying anything．
There are, of course, many salespeople who are genuinely interested in assisting you and in 83 your reasonable products and prices．If you are in 84 about the wisdom
of a particular purchase, you might want to85 another person who has had experience with the product or the service that interests you．If you receive unwanted goods in the mail, you are not obligated to pay for it．
请在第__(76)__处填上正确答案。 A．afford
B．find
C．possess
D．gain
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