请教ｐｒｅｐ逻辑４６题

gmatziyu

Neither a rising standard of living nor balanced trade, by itself, establishes a country's ability to compete in the international marketplace.Both are required simultaneously since standards of living can rise because of growing trade deficits and trade can be balanced by means of a decline in a country's standard of living.



If the facts stated in the passage above are true, a proper test of a country's ability to be competitive is its ability to



(A) balance its trade while its standard of living rises

(B) balance its trade while its standard of living falls

(C) increase trade deficits while its standard of living rises

(D) decrease trade deficits while its standard of living falls

(E) keep its standard of living constant while trade deficits rise
请问这题为什么选Ａ呢？谢谢！

笑弯的扁担

题中说生活水平提高伴随着贸易赤字增加，贸易的平衡又可以通过降低生活水平来达到平衡。
提高国家的竞争力需要rising standard living 和 balanced trade同时起作用。
A 提高生活水平同时平衡贸易
B its standard of living falls 错
C  increase trade deficits  should be balanced

D. its standard of living falls 错
E  keep its standard of living constant 不能提升竞争力

gmatziyu