Which two commands would you use to resolve this error?

While creating a scheduler window using the DBMS_SCHEDULER package, a user logged
in as DBMGR gets the error message insufficient privileges? Which two commands would
you use to resolve this error? (Choose two)

A.
GRANT dba TO dbmgr;

B.
GRANT connect TO dbmgr;

C.
GRANT resource TO dbmgr;

D.
GRANT hs_admin_role TO dmbgr;

E.
GRANT manage scheduler TO dbmgr;