Evaluate the following command: SQL>ALTER SYSTEM SET db_securefile = 'IGNORE'; What is the impact of this setting on the usage of SecureFiles?（）
- A It forces BasicFiles to be created even if the SECUREFILE option is specified to create the LOB
- B It forces SecureFiles to be created even if the BASICFILE option is specified to create the LOB
- C It does not allow the creation of SecureFiles and generates an error if the SECUREFILE option is specified to create the LOB
- D It ignores the SECUREFILE option only if a Manual Segment Space Management tablespace is used and creates a BasicFile