You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You write the following code fragment. （Line numbers are included for reference only.） 01 <asp：UpdatePanel ID="upnData" runat="server" 02 ChildrenAsTriggers="false" UpdateMode="Conditional"> 03 <Triggers> English Chinese Japan Korean - 140 - Test Information Co.， Ltd. All rights reserved. 04 05 </Triggers> 06 <ContentTemplate> 07 <!-- more content here --> 08 <asp：LinkButton ID="lbkLoad" runat="server" Text="Load" 09 onclick="lbkLoad_Click" /> 10 <asp：Button ID="btnSubmit" runat="server" Text="Submit" 11 Width="150px" onclick="btnSubmit_Click" /> 12 </ContentTemplate> 13 </asp：UpdatePanel> 14 <asp：Button ID="btnUpdate" runat="server" Text="Update" 15 Width="150px" onclick="btnUpdate_Click" /> You need to ensure that the requirements shown in the following table are met. What should you do？ （）
- AA
- BB
- CC
- DD