After a security review, it has been decided that the sendmail process should NOT be run on one of your customer database servers.
Which command stops the service from running and persists across reboots?

A.
svcadm clear sendmail

B.
/etc/init.d/sendmail stop

C.
svcadm -t disable sendmail

D.
svcadm disable sendmail

E.
pkill sendmail

F.
svcadm restart sendmail