单项选择题

You are implementing an ASP.NET Web site that uses a cu……

You are implementing an ASP.NET Web site that uses a custom server control named Task. Task is defined as shown in the following list.
Class name： Task
Namespace： DevControls
Assembly： TestServerControl.dll
Base class： System.Web.UI.WebControls.WebControl
You copy TestServerControl.dll to the Web site‟s Bin folder. You need to allow the Task control to be declaratively used on site pages that do not contain an explicit @ Register directive. Which configuration should you add to the web.config file？（）

A.<appSettings> <add key="Dev:Task" value="DevControls, DevControls.Task"/> </appSettings>
B.<compilation targetFramework="4.0" explicit="false"> <assemblies> <add assembly="TestServerControl" /> </assemblies> </compilation>
C.<pages> <controls> <add assembly="TestServerControl" namespace="DevControls" tagPrefix="Dev"/> </controls> </pages>
D.<pages> <tagMapping> <add tagType="System.Web.UI.WebControls.WebControl" mappedTagType="DevControls </tagMapping> </pages>

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