给定一个Servlet的代码片段如下： （) public void doGet（HttpServletRequest request HttpServlet
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给定一个Servlet的代码片段如下： （) public void doGet（HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException{ ______ out.println（“hi kitty!”); out.close（); } 运行此Servlet时输出如下： hi kitty! 则应在此Servlet下划线处填充如下代码。
A．PrintWriter out = response.getWriter();
B．PrintWriter out = request.getWriter();
C．OutputStream out = response.getOutputStream();
D．OutputStream out = request.getWriter();
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PrintWriter out=response.getWriter();