Evaluate the following command：   SQL> CREATE TABLE design_data （id NUMBER， doc CLOB）  LOB（doc） STORE AS SECUREFILE（DEDUPLICATE）；   Which statement is true regarding the above command？（）  

• A、 The LOB values are automatically compressed.
• B、 The LOB values are cached by default in the buffer cache.
• C、 The LOB values are automatically stored in encrypted mode.
• D、 All LOB data that is identical in two or more rows in a LOB column share the same data blocks.