You need to perform an online table redefinition of an existing SALES table to partition it into two tablespaces TBS1 and TBS2. The SALES table has a materialized view， materialized log， indexes， referential integrity constraint， and triggers with the PRECEDES clause existing on it. What action is required for dependent objects when you perform online table redefinition？（）
- A The dependent materialized view should have a complete refresh performed after the online table redefinition process.
- B Triggers with the PRECEDES clause should be disabled before the online table redefinition process.
- C Referential integrity constraints must be manually enabled after the online table redefinition process.
- D The materialized log should be dropped before the online table redefinition process.