Examine the following commands and their output: View the exhibit and examine the Flashback Version Query that was executed after the preceding commands. What could be the possible cause for the query not displaying any row?（）

• A、Flashback logging is not enabled for the database.
• B、The changes made to the table are not committed.
• C、Supplemental logging is not enabled for the database.
• D、The database is not configured in ARCHIVELOG mode.