Exhibit One the evening of April 22， you are working on a database created using Oracle Database 10g. This database operates in the ARCHIVELOG mode. You discover that you need crucial data that was dropped from the database at 8：00 a.m. No full backup has been taken after April 15.  What would you do？（）

• A、recover the database until April 10
• B、recover the database until April 15
• C、recover the database until 22 7：59 a.m.
• D、recovery is not possible； manually re-create the object