TestKing.com has a server named SQL1 that runs SQL Server 2005 Enterprise Edition.SQL1 has 2 GB of RAM， 1.6 GB of which are used by the default SQL Server database engine instance. The average data growth of all databases combined is 100 MB a month. Users state that report execution times are increasing. You want to assess whether more RAM is needed. You need to use System Monitor to create a counter log that will help you decide whether to add RAM. Which performance object should you add to the counter log？（）

• A、MSAS 2005：Cache
• B、MSAS 2005：Memory
• C、MSAS 2005：Proactive Caching
• D、SQLServer：Buffer Manager