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

AIt will create a multitenant container database (CDB) with only the root opened.

BIt will create a CDB with root opened and seed read only.

CIt will create a CDB with root and seed opened and one PDB mounted.

DIt will create a CDB that must be plugged into an existing cdb.

EIt will create a CDB with root opened and seed mounted.