What needs to be done to enable usage of module has been moved to /lib/modules/?

A pre-compiled module has been moved to /lib/modules/ but ‘modprobe -a ‘ fails to load it. What needs to be done to enable usage of this module?

A.
modules.conf or modprob.conf must be edited.

B.
The system must be rebooted.

C.
Make modules_install must be run.

D.
Depmod must be run.

E.
The kernel must be re-compiled.