[語文] OG-VR-CR56
56. Gortland has long been narrowly self-sufficient in both grain and meat.
However, as per capita income in Gortland has risen toward the world
average，per capita consumption of meat has also risen toward the world
average，and it takes several pounds of grain to produce one pound of meat.
Therefore，since per capita income continues to rise，
whereas domestic grain production will not increase，
Gortland will soon have to import either grain or meat or both．
Which of the following is an assumption on which the argument depends?
(A) The total acreage devoted to grain production in Gortland
will not decrease substantially．
(B) The population of Gortland has remained relatively constant during
the country's years of growing prosperity.
(C) The per capita consumption of meat in Gortland is roughly the same
across all income levels．
(D) In Gortland, neither meat nor grain is subject to government price
controls．
(E) People in Gortland who increase their consumption of meat will not
radically decrease their consumption of grain．
答案是E.
我看了後面的解釋..感覺好像稍微懂為什麼是E但是又好像沒有完全懂
是否請各位賢人能夠幫忙解釋一下呢?
感激不盡! <(__ __)>
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