单项选择题
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The application has a mobile Web form that contains the following ObjectList control：
<mobile：ObjectList ID="ObjectListCtrl"
OnItemCommand="ObjectListCtrl_ItemCommand" Runat="server">
<Command Name="CmdDisplayDetails" Text="Details" />
<Command Name="CmdRemove" Text="Remove" />
</mobile：ObjectList>
You create an event handler named ObjectListCtrl_ItemCommand.
You need to ensure that the ObjectListCtrl_ItemCommand handler detects the selection of the CmdDisplayDetails item.
Which code segment should you write？（）
A.A
B.B
C.C
D.D
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