题目：
Passage Two
Newspapers have entered the category of large business organizations because of ______.
A．their influence on the reading public
B．their reports of stock market activities
C．the millions of papers sold daily
D．the tremendous costs of production
答案：
参考答案：D
解析：
[分析]： 因果关系的找寻和判断。 根据原文相关信息Because a modern newspaper is so expensive to produce and so costly to establish，newspapers have increasingly become big business organizations即由于现代报纸的生产非常昂贵，建设的代价如此巨大，报纸已渐渐成为巨大的商业组织。由此可判断，D项内容与原文相符，因此该项是正确答案。[解题关键] 通过表因果关系的信号词because判断上下文的逻辑关系。
