Which statement about the enabling of table compression in Oracle Database 11g is true?（）

A. ompression can be enabled at the table, tablespace, or partition level for direct loads only.

B. ompression can be enabled only at the table level for both direct loads and conventional DML.

C. ompression can be enabled at the table, tablespace, or partition level for conventional DML only.

D. ompression can be enabled at the table, tablespace, or partition level for both direct loads and conventional DML.