The environmental variable ORACLE-BASE is set. You want to check the diagnostic files created as part of the Automatic Diagnostic Repository (ADR). View the Exhibit and note the various parameters set in your database. 
What will be the location of the ADR base?
A.It is set to ORACLE-BASE.
B.It is set to ORACLE_HOME/log.
C.It is set to /u01/app/ oracle/admin/orcl/adump.
D.It is set to /u01/app/oracle/flash_recovery_area.