13. Canadians now increasingly engage in “out-shopping,” which is shopping across the national border, where prices are lower. Prices are lower outside of Canada in large part because the goods-and-services tax that pays for Canadian social services is not applied.
Which one of the following is best supported on the basis of the information above?
(A) If the upward trend in out-shopping continues at a significant level and the amounts paid by the government for Canadian social services are maintained, the Canadian goods-and-services tax will be assessed at a higher rate.
(B) If Canada imposes a substantial tariff on the goods bought across the border, a reciprocal tariff on cross-border shopping in the other direction will be imposed, thereby harming Canadian businesses.
(C) The amounts the Canadian government pays out to those who provide social services to Canadians are increasing.
(D) The same brands of goods are available to Canadian shoppers across the border as are available in Canada.（A）
(E) Out-shopping purchases are subject to Canadian taxes when the purchaser crosses the border to bring them into Canada.
答案是a，想求思路
这题我知道为什么可以推出来是a
但是我不懂得是，我感觉a是推出来的而不是文章的讯息(ㄟ…..自己也愈写越模糊 )，只是感觉这类题型的答案很少是这样用推的，也就是我觉得他写的超出文章的信息，请问可以这样推吗？
另外，答案d，是不是感觉有点像assumption ，因为 Canadian shoppers 可以在 border 的地方买到 他原本要的东西，所以Canadians now increasingly engage in “out-shopping,” ， 偷偷问一下，不是有人说过 conclusion 题也可利用assumption 来做吗？请问这里我的思路是不是有错
不好意思，麻烦大家了作者: qwrersaa 时间: 2004-7-24 09:05
tax base * tax rate = amount for social service
shopping within Canada --> pay tax --> tax is used for social services.
if more people shop outside Canada --> don't pay tax --> smaller overall tax base
so, to maintain the same amount of money for social service, tax rate has to be increased.
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