Book:IBM Power System 000-107 test preparation

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 Answer: C