An administrator has removed a client LPAR and would like to unmap the virtual Fibre Channel

adapter vfchost0 from the physical backing adapter fcs2.
Which of the following commands will achieve this?

A.
rmvdev -vtd vfchost0

B.
vfcumap -vdev vfchost0 -dev fcs2

C.
rmdev -dev fcs2

D.
vfcmap -vadapter vfchost0 -fcp

Explanation: