Certkiller.com has employed you as a Web Application Developer. You are in the process ofcreating a ASP.NET application using .NET Framework v3.5. The newly created applicationincludes a mobile Web page.  The mobile Web page contains the following StyleSheet control：   You receive an instruction from management to add a Label control named TestLabel that willmakes use of a defines style in the MyStyleSheet StyleSheet control. You should thus determinethe appropriate markup that needs to be used.  What should you do？（）

• A、A
• B、B
• C、C
• D、D