下列哪一个表空间不会被使用？B create table members2 ( id number, name varchar2(32), create_time date) partition by range(create_time) ( partition p1 values less than (to_date('2024-06-30', 'yyyy-mm-dd')) tablespace tbs1, partition p2 values less than (to_date('2024-12-31', 'yyyy-mm-dd')) tablespace tbs2, partition pmax values less than (maxvalue) tablespace tbs3 ) tablespace tbs4; A tbs1 B tbs4 C tbs2 D tbs3