A customer plans to consolidate two 8-core POWER6 systems with a total of 8 PCI-X adapters, 6 PCIe adapters, and a PCI-X I/O drawer into a 16-core Power 750. Which action allows the most efficient use of existing equipment?（）

• A、Populate the Power 750 first then add a GX+ adapter to support PCI-X andPCIe I/O drawer loops.
• B、Populate the Power 750 first then add 2 GX+ adapters to support PCI-X andPCIe I/O drawer loops.
• C、Populate the Power 750 first then add a GX++ adapter to support PCI-X andPCIe I/O drawer loops.
• D、Populate the Power 750 first then add GX+ and GX++ adapters to support PCI-X andPCIe I/O drawer  loops.