单选题A customer would like to buy a new Power 750 and attach 2 PCIe I/O drawers. What is the minimum configuration which will support this？（）A One processor card and one GX+ expansion cardB Two processor cards and one GX++ expansion cardC One processor card
题目
单选题
A customer would like to buy a new Power 750 and attach 2 PCIe I/O drawers. What is the minimum configuration which will support this？（）
A
One processor card and one GX+ expansion card
B
Two processor cards and one GX++ expansion card
C
One processor card， one GX+ expansion card， and one GX++ expansion card
D
Two processor cards， one GX+ expansion card， and one GX++ expansion card