You are creating a locally managed tablespace to meet the following requirements： All the extents should be of the same size.  The data should be spread across two data files.  A bitmap should be used to record the free space within the allocated extents. Which three options would you choose？（）

• A、set PCTFREE and PCTUSED to 50
• B、specify extent allocation as Uniform
• C、specify extent allocation as Automatic
• D、create the tablespace as bigfile tablespace
• E、create the tablespace as smallfile tablespace
• F、set segment space management to Automatic
• G、use the RESIZE clause while creating the tablespace