Why would you use the following FLASHBACK TABLE command？（）  FLASHBACK TABLE emp TO TIMESTAMP （’11：45’，’hh12：mi’）； 

• A、to undo the changes made to the EMP table since the specified time
• B、to restore the EMP table that was wrongly dropped from the database
• C、to view the transactions that have modified the EMP table since the specified time
• D、to view the changes made to the EMP table for one or more rows since the specified time
• E、to recover the EMP table to a point in time in the past by restoring the most recent backup