Companycom currently has three p650 servers in their environment and they are implementing a p5 595. The p650 servers are running in an SMP environment, but are connected to a pair of HMCs. In order to follow best practices in the enterprise server environment and maintain HMC connectivity to the p650s, what else will needs to be ordered in addition to the p5 595?（）

• A、Include a new HMC in the order to connect to the p5 595
• B、Include a pair of new HMCs in the order to connect to the p5 595
• C、Include a media set for POWER5 HMC in the order to upgrade one of the existing HMC’s to POWER5 capabilities
• D、Include a media set for POWER5 HMC in the order to upgrade both of the existing HMC to  POWER5 capabilities Include a media set for POWER5 HMC in the order to upgrade both of the existing HMC? To POWER5 capabilities