Examine the commands executed in a DBA session：SQL> CREATE BIGFILE TABLESPACE MRKT 2 DATAFILE ’/u01/app/oracle/oradata/orcl/mrkt.dbf’ size 10M LOGGING 3 EXTENT MANAGEMENT LOCALSEGMENT SPACE MANAGEMENT AUTO； Tablespace created. SQL> ALTER DATABASE DEFAULT TABLESPACE MRKT； Database altered.  Which two statements are trueregarding the MRKT tablespace（）

• A、No more data files can be added to the tablespace.
• B、Segment space is managed by free lists in the tablespace.
• C、A user created without being assigned a default tablespace uses this tablespace.
• D、The tablespace can be dropped with the current setting with segments present in it