以下方式创建表，表的并行度为多少？ 1、CREATE TABLE TEST1 PARALLEL 8 AS SELECT T1.OBJECT_ID,T2.OWNER FROM T1,T2 WHERE T1.OBJECT_ID = T2.OBJECT_ID; 2、CREATE TABLE TEST4 AS SELECT /*+PARALLEL(8) */T1.OBJECT_ID,T2.OWNER FROM T1,T2 WHERE T1.OBJECT_ID = T2.OBJECT_ID; D A TEST1的并行度为1，TEST4的并行度为8 B TEST1的并行度为1，TEST4的并行度为8 C TEST1的并行度为8，TEST4的并行度为8 D TEST1的并行度为8，TEST4的并行度为1