Which two statements are true about the successful exec…

Your multitenant container database (CDB) cdb1, which has no startup triggers and contains multiple pluggable databases (PDBs), is started up by using the command:

SQL>STARTUP

Which two statements are true about the successful execution of the command?

A.
All redo log files are opened.

B.
The root, the seed, and all the PDBs are opened in read-write mode.

C.
All the PDBs are opened in read-write mode.

D.
All the PDBs are in closed state.

E.
Only the root database is opened in read-write mode.