What is the default trace file (for Linux) that is used for the initial debugging of IBM Tivoli Federated Identity Manager Runtime?（）

A、/opt/IBM/FIM/logs/< ITFIM Domain Name>/tivoli-common/FBT/logs/msg.log

B、/opt/IBM/FIM/logs/< ITFIM Domain Name>/tivoli-common/FBT/logs/trace.log

C、/opt/IBM/WebSphere/AppServer/profiles/<servername>/logs/<profile>/trace.log

D、/opt/IBM/WebSphere/AppServer/profiles/<servername>/logs/<profile>/SystemOut.log