You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  The application contains the following code segment.  public class CapabilityEvaluator  {  public static bool ChkScreenSize（  System.Web.Mobile.MobileCapabilities cap，  String arg）  {  int screenSize = cap.ScreenCharactersWidth *  cap.ScreenCharactersHeight；  return screenSize < int.Parse（arg）；  }  | English | Chinese | Japan | Korean | - 76 - Test Information Co.， Ltd. All rights reserved.  }  You add the following device filter element to the Web.config file.    You need to write a code segment to verify whether the size of the device display is less than 80 characters.  Which code segment should you use？（）

• A、A
• B、B
• C、C
• D、D