第17题: [单项选择]You can ask for your money back only if A. the article cannot be replaced or repaired B. the article has been sent back immediately C. you have gone back immediately D. the article has not gone up in price since you bought it 参考答案:C 答案解析:只有在“you have hardly used the goods and have a acted at once”,你才能“ask for your money back”。 “act at o