You want to create a 20-GB native VHD called Systemvhd in a folder called Windows 7 on an external U hard disk with the drive designation G:.

Which command do you use?

A.
create vdisk file=g:\windows7\systemvhd maximum=20000

B.
create vdisk file=g:\windows7\systemvhd.vhd maximum=20000

C.
create vdisk file=g:\windows7\systemvhd.vhd maximum=20

D.
create vdisk file=g:\windows7\systemvhd maximum=20