During the installation of ESXi 5.5, the following error message is reported:
Hardware Virtualization is not a feature of the CPU, or is not enabled in the BIOS.
Which condition would generate this message?

A.
LAHF/SAHF is not enabled in the BIOS.

B.
NX/XD is not enabled in the BIOS.

C.
SSE3 is not enabled in the BIOS.

D.
Hyperthreading is not enabled in the BIOS.

Explanation: