Youhaveincludedthefollowingparametersettinginyourserverparameterfile：PGA_AGGREGATE_TARGET=800MSORT_AREA_SIZE=100MHASH_AREA_SIZE=100MBITMAP_MERGE_AREA_SIZE=100MCREATE_BITMAP_AREA_SIZE=100MWhichstatementistrue？（）

A.Allthe*_AREA_SIZEparametersareignored.

B.TheAutomaticPGAMemoryManagementfeaturecannotbedisabled.

C.ThetotalProgramGlobalArea（PGA）memorycannotbemanuallyincreasedabove800M.

D.ThetotalmemoryforthePGAcanautomaticallyexceed800MusingtheAutomaticPGAMemoryManagementfeature.