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

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

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

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

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