Which two statements are true about roles in multitenant container databases (CDBs)?
A. Local roles can be granted to local and common users.
B. A common role can be granted only to a common user.
C. A common user can create a local role by default in any pluggable database (PDB) that is plugged in to a CDB
D. A common role can be granted only system privileges.
E. The root container can have both local and common roles.
F. A local role can be assigned to a common role in a PDB