You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.  You create a FormView control to access the results of a query. The query contains the following fields：  ¡；¤EmployeID  ¡；¤FirstNam  ¡；¤LastNam  The user must be able to view and update the FirstName field.  | English | Chinese | Japan | Korean | - 121 - Test Information Co.， Ltd. All rights reserved. You need to define the control definition for the FirstName field in the FormView control. Which code fragment should you use？（）

• A、A
• B、B
• C、C
• D、D