Which two options describe how to override the default boot behavior of an Oracle Solaris 11 SPARC system to boot the system to the single-user milestone?

Which two options describe how to override the default boot behavior of an Oracle Solaris
11 SPARC system to boot the system to the single-user milestone?

A.
From the ok prompt. issue this command: boot -s

B.
From from the ok prompt, issue this command: boot -m milestone=s

C.
From the ok prompt, issue this command: boot -milestone=single-user

D.
From the ok prompt, issue this command: boot -m milestone/single-user

E.
from the ok prompt, issue this command: boot -m milestone=single-user