View the SPFILE parameter settings in the Exhibit. 

You issue this command and get errors: SQL> startup - ORA-00824:cannotsetSGAJTARGET or MEMORY_TARGET due to existing internal settings, see alertlog for more information Why did the instance fail to start? 

Answer options:

A. because pga_aggregate_target is not set
B. because statistics_level is set to basic
C. because memory_target and memory_max_target cannot be equal
D. because sga_target and memory_target are both set

B