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.
GRANTdba TO dbmgr;

B.
GRANTconnect TO dbmgr;

C.
GRANT resource TOdbmgr;

D.
GRANThs_admin_role TO dmbgr;

E.
GRANTmanage scheduler TO dbmgr;