Your SQL Server 2005 database contains a table that has 500 million rows of data. Some of the data is historical and some is current. You need to partition the data on a single server to increase performance and optimize maintenance. What should you do？（）

• A、Implement horizontal partitioning.
• B、Implement vertical partitioning.
• C、Implement a raw partition.
• D、Implement distributed partitioning.