You create a custom server control named Task that contains the following code segment. You need to ensure that adding a Task control from the Toolbox creates markup in the following format.     Which two actions should you perform？（）

• A、Add the following code segment to the project’s AssemblyInfo.cs file. [assembly： TagPrefix（"DevControls"， "Dev"）]
• B、Replace line 05 with the following code segment. [DefaultValue（"New Task"）]
• C、Insert the following code segment immediately before line 03. [ToolboxData（"<{0}：Task runat=/"server/" Title=/"New Task/" />"）]
• D、Replace line 10 with the following code segment. output.Write("<Dev:Task runat=/"server/" Title=/"New Task/" />");