考研考试

【单选题】 From paragraph 4 we can infer that ______.
A．the increasing concentration is certain to hurt consumers
B．WorldCom serves as a good example of both benefits and costs
C．the costs of the globalization process are enormous
D．the Standard Oil trust might have threatened competition

网考网参考答案：D
网考网解析：
[详细解答] 作者在文章的第四段第二句中说：然而很难想象，几个石油公司的合并会像近半个世纪以前标准石油公司托拉斯解体时那样对竞争产生同样的威胁。由此我们可以推断出正确答案[D]“标准石油公司当年可能对竞争产生过威胁”。 查看试题解析出处>>