【C014004】在Java Web应用程序中，某HttpServlet的doGet方法如下所示，则在下划线处填写（ ）代码，可以正确得到RequestDispatcher的对象。

pulbic void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{

      _________________ // 此处填写代码

}

• A.RequestDispatcher dispatcher = response.getRequestDispatcher("/test.jsp");

• B.RequestDispatcher dispatcher = new RequestDispatcher();

• C.RequestDispatcher dispatcher = RequestDispatcher.getInstance();

• D.RequestDispatcher dispatcher=request.getRequestDispatcher("/test.jsp");