Which two statements are true about a common user?

Which two statements are true about a common user?

A.
A common user connected to a pluggable database (PDB) can exercise privileges across other PDBs.

B.
A common user with the create user privilege can create other common users, as well as local users.

C.
A common user can be granted only a common role.

D.
A common user can have a local schema in a PDB.

E.
A common user always uses the global temporary tablespace that is defined at the CDB level as the default temporary tablespace.