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.