单选题In addition to better overall price performance， which other factor most significantly contributes to a lower three-year TCO advantage for a pSeries customer than for a SUN customer？（）A
Sharing commonly used peripheralsB
Maximum capacity of CPU， Memory
题目内容(请给出正确答案)
单选题
In addition to better overall price performance， which other factor most significantly contributes to a lower three-year TCO advantage for a pSeries customer than for a SUN customer？（）
A
Sharing commonly used peripherals
B
Maximum capacity of CPU， Memory and I/O
C
Minimum number of processors in a partition
D
Support for different versions of the operating system
