题目:给定某Servlet程序的片段如下所示: public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { RequestDispatcher rd = request.getRequestDispatcher(“____________”); rd.forward(request, response); } 上面横线中填入以下路径,错误的有( )
A. /user/login.jsp
B. /welcome.txt
C. www.itcast.cn
D. http:// www.itcast.cn
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