A manufacturing business is presently supporting multiple UNIX platforms and considering the advantages of consolidating environments， adding new applications and standardizing on HP-UX with IA-64. Which advantage should be communicated as the most compelling reason to consider pSeries as the platform of choice？（）

• A、The pSeries family of servers offers many choices from small entry servers to data-center class systems
• B、pSeries systems support both AIX and Linux operating systems providing a single platform for both environments
• C、AIX contains the tools and utilities necessary to convert all their UNIX software onto a single pSeries server
• D、Thousands of AIX operating system-based applications， middleware， and tools are available today and already optimized