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?（）
- A、
- B、
- C、
- D、
- E、
- F、
正确答案:C
答案解析:有
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