Which of the following circumstances could result in a corrupted database? (Choose the best answer.) A. Loss of all copies of the current logfile group B. Loss of all copies of the controlfile  C. A...

Which of the following circumstances could result in a corrupted database? (Choose the best answer.)

A. Loss of all copies of the current logfile group

B. Loss of all copies of the controlfile

 C. A crash during an instance recovery

D. Loss of the system tablespace and the undo tablespace

E. None. It is impossible to corrupt an Oracle database.