You need to maintain the partitions on the ProductOrderStatus measure group. What should you do?（）

• A、Create a Microsoft SQL Server 2005 Integration Services （SSIS） package that alters the partition queries and processes aggregated partitions every evening.
• B、Enable proactive caching on the partitions. Set the cache to update periodically with a latency of 24 hours.
• C、Set the rebuild interval of the partitions to 36 hours. Create a Microsoft SQL Server 2005 Integration Services （SSIS） package that processes aggregated partitions every evening.
• D、Enable proactive caching on the ProductOrderStatus measure group. Set scheduled polling that re-processes the measure group whenever the system dates change.