单选题What is the proper procedure to recover a lost tempfile?（）A Restore the backup copy of the tempfile from the backup media. B Re-create the tempfile with the create tempfile command. C Copy an existing tempfile from another database. D Re-create the tem

Restore the backup copy of the tempfile from the backup media. 

Re-create the tempfile with the create tempfile command. 

Copy an existing tempfile from another database. 

Re-create the tempfile with the create tablespace command. 

Re-create the tempfile with the alter tablespace command.