单选题 We can draw a conclusion from the text that the overall U. S. economy

A、 must guard against foreigners selling their steel at shocking prices.
B、 had difficulty in sustaining development in face of foreign competitors.
C、 can benefit enormously from the steel lower prices in world markets.
D、 took advantage of the government's protection to enhance efficiency.

【正确答案】 C

【答案解析】题干问；“根据文章我们可以推出，美国的总体经济……。”根据原文第4自然段，美国的总体经济“可能从世界钢铁市场的低价格得到了好处”。而选项[A]“必须防范外国人以惊人的价格销售他们的钢铁”，[B]“面对国外的竞争，他们在可持续发展方面很困难”以及[D]“利用政府的保护提高效率”皆不是该段谈论的内容，不符合题意。