What is the effect of specifying the "ENABLE PLUGGABLE DATABASE" clause in a "CREATEDATABASE” statement?（）

• A、It will create a multitenant container database (CDB) with only the root opened.
• B、It will create a CDB with root opened and seed read only.
• C、It will create a CDB with root and seed opened and one PDB mounted.
• D、It will create a CDB that must be plugged into an existing cdb.
• E、It will create a CDB with root opened and seed mounted.