TestKing.com Web site includes a page that customers use to send feedback about the company and its products. You use a SQL Server 2005 database to store the comments in the Comments column of a table named Feedback. You need to implement full-text searching so that you can run reports on the comments. Which two actions should you perform？（）

• A、Create a nonclustered index on the Comments column.
• B、Execute the USE Master Transact-SQL statement.
• C、Create a full-text catalog.
• D、Create a full-text index on the Comments column.