A customer has six Windows 2003 servers， three RedHat Linux servers， and three Netware servers.  The current environment is direct attached storage.  The customer needs a 2Gb Fibre solution that can scale up to 64 partitions over the next three years and provide connectivity to all three platforms.  The customer also needs a fibre attached backup solution.  Which of the following solutions has the best combination of price and performance？（）

• A、A DS4300 Turbo with Fibre Attached Tape Library
• B、A DS4500 with EXP700’s and Fibre Attached Tape Library
• C、A DS4500 with EXP710’s and Fibre Attached Tape Library
• D、A DS4300 with Additional EXP710’s and a SCSI Attached Tape Library