OG13-107. Although the discount stores in Goreville’s central shopping district are expected to close within five years as a result of competition from a SpendLess discount department store that just opened, those locations will not stay vacant for long. In the five years since the opening of Colson's, a nondiscount department store, a new store has opened at the location of every store in the shopping district that closed because it could not compete with Colson’s. Which of the following, if true, most seriously weakens the argument? A. Many customers of Colson’s are expected to do less shopping there than they did before the SpendLess store opened. B. Increasingly, the stores that have opened in the central shopping district since Colson’s opened have been discount stores. C. At present, the central shopping district has as many stores operating in it as it ever had. D. Over the course of the next five years, it is expected that Goreville’s population will grow at a faster rate than it has for the past several decades. E. Many stores in the central shopping district sell types of merchandise that are not available at either SpendLess or Colson’s. 不太理解的地方是， 1. 官方解释说在colson开幕後 那些无法竞争的店家关闭 随後持续增加discount stores, 而spendless 开了後就不会再有discount store的需求， 请问要怎麽判断出不会再有其他需求呢？ 2.选项B 持续增加的discount store 表示可能不会再有店家被取代， 与题目现况比较 这些discount stores会在五年内预期关闭因为无法与Spendless竞争， 要怎麽weaken 倒闭之後的位置不太可能会有其他店家open呢？ 这里是否只要是能够weaken 类比例子不成立即可 我根本无需将答案套入Spendless? 还请好心人解惑....谢谢>< --

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