You create a Microsoft ASP.NET Web application by using the Microsoft .NET Framework version 3.5.  You add the following code fragment to an AJAX-enabled Web form. （Line numbers are included for reference only.）  01   02   04   05   06   08   | English | Chinese | Japan | Korean | - 143 - Test Information Co.， Ltd. All rights reserved. 09   12   13  14   15   16  17   The tmrTimer_Tick event handler sets the Text property of the lblTime Label control to the current time of the server.  You need to configure the appropriate UpdatePanel control to ensure that the lblTime Label Control is properly updated by the tmrTimer Timer control. What should you do？（）

• A、A
• B、B
• C、C
• D、D