参考答案：C

解析：

Which of the following did not contribute to the popularization of newspapers

[分析]： 是非判断。

题干：下列哪一项没有促进报纸的大众化 根据原文“With the advent of new technology，compulsory education and the major cultural changes brought on by industrialization and urbanization，newspapers moved into the popular culture with the advent of the penny press．”，译文为：伴随工业化和城市化而来的新技术、义务教育和主要文化变革，还有廉价的印刷费使得报纸成了大众的文化。所以应当排除c选项“人口增长。”