请教一道og的题目

zerostrife

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. 有无顾客不影响
(B) Increasingly, the stores that have opened in the central shopping district since Colson's opened have been discount stores. 被C弄倒闭后新建的店是折扣店，因此他们不会竞争过SpendLess，从而vacant for long，weaken
(C) At present, the central shopping district has as many stores operating in it as it ever had. 和从前一样多的商铺数量，说明not stay vacant for long, strengthen
(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.无关
(E) Many stores in the central shopping district sell types of merchandise that are not available at either SpendLess or Colson's.无关

那个注释不是我写的，我觉得看起来好费解，b的解释说竞争不过，但是第一句话明确就写出来了竞争不过

houhaibo528

答案是B没错吧，
我认为是这样，题目的argument是 those locations will not stay vacant for long
很明显，题目的意思是discount倒闭而non-discount火热
但是题目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
偷换了一个概念，即“ a new store "，没说是discount还是non-discount
因此要weaken题目的argument,就说开的所有店都是discount,也就是说开了也完蛋，location will stay vacant,
要strengthen题目的argument,就说开的所有点都是non-discount,就是说开了很火热，location won't stay vacant