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

You need to ensure that when you click the Button1 control, a selected list of items move from the ListBox1 control to the ListBox2 control. 
Which code segment should you use? （）

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

You need to ensure that when you click the Button1 control, a selected list of items move from the ListBox1 control to the ListBox2 control.
 Which code segment should you use?（）