以下jsp命令,能实现根目录下的“index.jsp”跳转到servlet中的“index.jsp”是( )。
A.
request.getRequestDispatcher("../jsp/index.jsp").forward(request,response);
B.
request.getRequestDispatcher("jsp/index.jsp").forward(request,response);
C.
request.getRequestDispatcher("servlet/index.jsp").forward(request,response);
D.
request.setAttribute("menusb",menusb);