You are working in a dedicated server environment. Your database is running in the automatic Program Global Area （PGA） memory management mode.   Which two statements are correct in this scenario？（）

• A、The WORK_AREASIZE_POLICY initialization parameter cannot be set to AUTO.
• B、The Oracle database automatically controls the amount of PGA memory allotted to SQL work areas.
• C、Setting the value of the SGA_TARGET initialization parameter to 0 will disable the automatic PGA  memory management.
• D、The SORT_AREA_SIZE parameter is ignored by all the sessions running in the automatic PGA  memory management mode.