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.