A customer needs a new 4-way p630 with three partitions to support three AIX 5.2 applications.  Each partition requires two of the following：  OS boot drives， fiber adapters， and gigabit Ethernet adapters.  The customer has an HMC with an available serial port.  In addition to the model 6C4， which of the following is required to meet the customer’s requirements？（）

• A、One 7311-D20 drawer
• B、Two 7311-D20 drawers
• C、Two 7311-D10 drawers
• D、One 7311-D10 drawers