阅读下面代码片段: Servlet1: response.getWriter().write(“hello,servlet1”); request.getRequestDispatcher().include(“Servlet2”); Servlet2: response.setHeader(“Refresh”,”1”); response.getWriter().write(“,servlet2”); 下面选项中,关于运行结果说法正确的是 A. 正常显示:hello,servlet1,servlet2 B. 正常显示:hello,servlet1,servlet2,并且页面会不断刷新 C. 正常显示:,servlet2 D. 正常显示:hello,servlet1