During Guided Consolidation, how is disk space for the virtual machine calculated?

A.
The virtual machine disk is equal in size to the source disk

B.
The virtual machine disk is sized to the amount of data contained on the source disk

C.
The virtual machine disk is sized to 125% of the data contained on the source disk

D.
Guided Consolidation prompts for the virtual machine disk size during conversion

Explanation:
vSphere Basic System Administration vCenter Server 4.0 ESX 4.0 ESXi 4.0, page 95.
The following formula is used to resize converted disks:
amount of space used on physical disk * 1.25 = resultant virtual disk size
Virtual disks are set to a size of 4GB or larger.