Which command updates the backup copy group STANDARD in the EMPLOYEE_RECORDS policy domain, VACATION policy set, ACTIVEFILES management class, and changes the destination to DISKPOOL?

A.
update standard employee_records vacation activefiles type=backup destination=diskpool

B.
update vacation employee_records standard activefiles type=backup destination=diskpool

C.
update copygroup employee_records standard activefiles type=backup destination=diskpool

D.
update copygroup employee_records vacation activefiles standard type=backup destination=diskpool

Explanation: