You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a Web page that contains the following two XML fragments：   01    02 ►  03    04    08    09      10     ’ />   12      13     The SqlDataSource1 object retrieves the data from a Microsoft SQL Server 2005 database table. The database table has a column named LineTotal.  You need to ensure that when the size of the LineTotal column value is greater than seven characters， the column is displayed in red color.  What should you do？（）

• A、A
• B、B
• C、C
• D、D