问题：

[单选]

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. 
You create a page that contains the following code fragment. 

 English 
 Chinese 
 Japan 
 Korean 
 - 92 - Test Information Co.， Ltd. All rights reserved. <asp：ListBox ID="lstLanguages"AutoPostBack="true" runat="server" /> 
You write the following code segment in the code-behind file for the page. 
void BindData（object sender， EventArgs e） { 
lstLanguages.DataSource = 
CultureInfo.GetCultures（CultureTypes.AllCultures）； 
lstLanguages.DataTextField = "EnglishName"； 
lstLanguages.DataBind（）； 
} 
You need to ensure that the lstLanguages ListBox control maintains the selection of the user during postback. 
Which line of code should you insert in the constructor of the page？（）

A . this.Init += new EventHandler(BindData); 
B . this.PreRender += new EventHandler(BindData); 
C . lstLanguages.PreRender += new EventHandler(BindData); 
D . lstLanguages.SelectedIndexChanged += new EventHandler(BindData);&e