An administrator needs to query the SCHSTATUS table to determine how many jobs have completed.
What does the administrator need to query from the SCHSTATUS table to accomplish this?

A.
select count(*) from schstatus

B.
select count(*) from schstatus where scsstate=’C’

C.
select count(*) from schstatus where scsstate=’CF’

D.
select count(*) from schstatus where scsstate=’C’ or scstate=’CF’