You need to restore your database back to 9/30/2008 at 18：00. In what order would you run the following commands to compete this task？（） a. restore controlfile until time `09/30/2008：18：00：00’ b. restore database until time `09/30/2008：18：00：00’ c. restore spfile until time `09/30/2008：18：00：00’ d. recover database until time `09/30/2008：18：00：00’ e. alter database open resetlogs f. alter database open

A. b， d， e
B. b， d， f
C. c， a， b， d， e
D. c， a， b， d， f
E. a， b， d， e