單項選擇題

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
You create a custom Web user control named SharedControl. The control will be compiled as a library. 
You write the following code segment for the SharedControl control. （Line numbers are included for 
reference only.） 
01 protected override void OnInit（EventArgs e）
02 { 
03 base.OnInit（e）； 
04 
05 } 
All the master pages in the ASP.NET application contain the following directive. 
<%@ Master Language="C#" EnableViewState="false" %> 
You need to ensure that the state of the SharedControl control can persist on the pages that reference a 
| English | Chinese | Japan | Korean | - 87 - Test Information Co.， Ltd. All rights reserved. master page. 
Which code segment should you insert at line 04？（）

A.Page.RegisterRequiresPostBack（this）；
B.Page.RegisterRequiresControlState（this）；
C.Page.UnregisterRequiresControlState（this）；
D.Page.RegisterStartupScript（"SharedControl"，"server"）；

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