Which two statements are correct regarding the Flashback Versions Query feature？（）
选项：

A:A You can use this feature to identify the committed versions of the rows， but not the uncommitted versions.
B:B You can use this feature to identify the versions of V$ views.
C:C You can use this feature to identify the inserts， deletes， and updates performed on a particular row but not the data definition language （DDL） operations performed on the table.
D:D You can use this feature for a table only if row movement is enabled for the table.
E:E You can use this feature to identify the versions of external and fixed tables.