请教两道题

TK上的一道题： QUESTION NO: 106 Which two statements are true regarding partitioned tables and indexes? (Choose two) A. A table which is part of a cluster can be partitioned. B. A global bitmap index can be created for a partitioned table. C. A table containing LONG or LONG RAW data* can be partitioned. D. A partitioned table can have partitioned and/or non-partitioned indexes. E. Privileges for partitions are granted on the parent table or index and not on individual partitions. F. Rule Based Optimization is used be default when a SQL statement accesses a partitioned table or index. Answer: D, E B为什么不对？