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Oracle中要生成数据库表，下列哪个选项是无效表生成的语句？( )

（A）create table cats(c_name varchar2(10), c_weight number, c_owner varchar2(10));

（B）create table my_cats as select * from cats where owner = ‘ME’;

（C）create global temporary table temp_cats(c_name varchar2(10), c_weight number, c_owner varchar2(10));

（D）create table 51 cats as select c_name, c_weight from cats where c_weight > 5;