Examine the following values of the initialization parameters in the database having the SID ORCL：   BACKGROUND_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/bdump USER_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/udump CORE_DUMP_DEST=/u01/app/oracle/product/11.1.0/db_1/cdump DIAGNOSTIC_DEST=   The environment variables have the following value：   ORACLE_BASE=/u01/app/oracle  ORACLE_HOME=/u01/app/oracle/product/11.1.0/db_1   What is the location of the Automatic Diagnostic Repository （ADR） home？（）

• A、 /u01/app/oracle/product/11.1.0/db_1
• B、 /u01/app/oracle
• C、 $ORACLE_HOME/bdump
• D、 $ORACLE_HOME/log