You are unable to move the Unified Job Scheduler occupant from the SYSAUX tablespace to the USERS tablespace. What could be the reason？（）

• A、None of the SYSAUX occupants can be relocated.
• B、The USERS tablespace is a bigfile tablespace （BFT）.
• C、The united Job Scheduler occupant cannot be relocated.
• D、The SYSAUX occupants can be relocated to the SYSTEM tablespace only.