Examine the following command that is used to duplicate a database on the same host：   RMAN> RUN {  ALLOCATE AUXILIARY CHANNEL， aux 1 DEVICE TYPE DISK； DUPLICATE TARGET DATABASE TO auxdb SKIP READONLY； / } Which two statements describe the effect after the database is duplicated successfully？（）

• A、 The data files of the read-only tablespaces in the target database are not duplicated
• B、 The read-only tablespaces in the target database are still defined in new the database
• C、 The read-only tablespaces in the target database are changed to online after duplication
• D、 The data files of the read-only tablespaces in the target database get duplicated
• E、 The read-only tablespaces in the target database are not defined in the new database