prep 一道美元贬值和政府财政赤字的题目~谢谢好心人来看

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45.(33087-!-item-!-188;#058&007558)

The recent decline in the value of the dollar was triggered by a prediction of slower economic growth in the coming year.But that prediction would not have adversely affected the dollar had it not been for the government's huge budget deficit, which must therefore be decreased to prevent future currency declines.

Which of the following, if true, would most seriously weaken the conclusion about how to prevent future currency declines?

(A) The government has made little attempt to reduce the budget deficit.

(B) The budget deficit has not caused a slowdown in economic growth.

(C) The value of the dollar declined several times in the year prior to the recent prediction of slower economic growth.

(D) Before there was a large budget deficit, predictions of slower economic growth frequently caused declines in the dollar's value.

(E) When there is a large budget deficit, other events in addition to predictions of slower economic growth sometimes trigger declines in currency rate.
这道题目选D
但是这道题目的最后一句话真的没看明白，哪位nn说下他的意思额？
还有C 为什么错~~~~
D 是不是我们经常说的因果颠倒型的削弱呀？我做题的时候只是凭直觉选的，但是C貌似也是因果颠倒的？谢谢CDer的好心帮助！

boozy

关于近期经济增长将会降低的预测，导致近期美元贬值。如果不是因为政府的巨额财政赤字，这项预测不会对美元产生负面影响。因此，必须降低赤字的数额以避免未来的货币贬值。

题干提出：赤字才是元凶。

C，预测发布前就有贬值。与赤字没关系。
D，赤字发布前，预测经济减缓就屡次导致贬值。 说明是经济减缓导致贬值，构成削弱。