A. the methods of public relations B. the activities of public relations C. the functions of public relations D. the definition of public relations 参考答案:D 答案解析:[解析] 文章第一段指出了public relations的定义、重要性以及应用领域。由此可见,作者主要是在描述什么是public relations,故[D]符合题意。[A]“公共关系的方法”在文中