Twelve years ago and again five years ago, there were extended periods when the Darfir Republic's currency, the pundra, was weak: its value was unusually low relative to the world's most stable currencies. Both times a weak pundra made Darfir's manufactured products a bargain on world markets, and Darfir's exports were up substantially. Now some politicians are saying that, in order to cause another similarly sized increase in exports, the government should allow the pundra to become weak again.
Which of the following, if true, provides the government with the strongest grounds to doubt that the politicians' recommendation, if followed, will achieve its aim?
(A) Several of the politicians now recommending that the pundra be allowed to become weak made that same recommendation before each of the last two periods of currency weakness.
(B) After several decades of operating well below peak capacity, Darfir's manufacturing sector is now operating at near-peak levels.
(C) The economy of a country experiencing a rise in exports will become healthier only if the country's currency is strong or the rise in exports is significant.
(D) Those countries whose manufactured products compete with Darfir's on the world market all currently have stable currencies.
(E) A sharp improvement in the efficiency of Darfir's manufacturing plants would make Darfir's products a bargain on world markets even without any weakening of the pundra relative to other currencies.
答案是B 请高手解释一下
好的 我再理解理解 谢谢
我的理解是：原文的思路简化为weak pundra ==> export up
现在目的是export up,提出的方法为make pundra weak。就目的体方法类型的题，weaken的方法有（同样适用于假设题）
1。方法与目的没联系，断桥型
2。有别的因素阻碍，他因型
3。方法本身不可行，A无效型
4。方法有副作用
这题属于他因型，就是由别的因素阻碍export up,即使make pundra weak也没用
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