给定include1.jsp文件代码片断，如下：<%pageContext.setAttribute(“User”，“HAHA”);%>_______//; 给定include2.jsp文件代码片断，如下：<%=pageContext.getAttribute(“User”)%>。要求运行include1.jsp时，浏览器上输出HAHA。要满足以上条件，jsp1.jsp中下划线处应填入以下语句：()

A.<includepage=“include2.jsp”flush=“true”/>

B.<%@includefile=“include2.jsp”%>

C.<jsp:forwordpage=“include2.jsp”/>

D.<%response.sendRedirect(“include2.jsp”);%>