Carl Works as a System Administrator for a Medium Sized

Carl works as a system administrator for a medium sized corporation.Recent green-awareness meetings and funding cutbacks within the corporation have increased the need for resource consolidation.With an increase in demand for a reduction in environmental impact,Carl is looking to virtualize five separate servers and host them on a single server running Hyper-V.
Carl receives a volume license copy of Windows Server 2008 32-bit Enterprise Edition.He installs it on a machine with the following specifications:
Processor: 64-bit Xeon Quad core 2.66 GHz
Memory: 16 GB
Available disk space: 50 GB
Additional Drives: DVD-ROM
During installation,default settings are accepted.After Carl has installed Windows Server 2008,he finds that he is unable to use Hyper-V.What is the problem?

A) Server hardware does not meet specifications for running Hyper-V
B) Hyper-V cannot run on multi-core processors without additional license purchases
C) Hyper-V requires a 64-bit edition of Windows Standard or better
D) Carl has installed Windows Server 2008 Core by accident