第15题: [单项选择]As the readership was growing more diverse, the penny paper ______. A. improved its content B. changed its writing style C. developed a more sensational style D. became a tool for political parties 参考答案:A 答案解析:第二段说大众报纸仍然保留了大众化的写作风格和新闻报道方式,但它变成了一种能提供重要信息的、受人尊敬的出版物。所以正确答案是A(改善了其内容)。