Observe the information in the columns： 
1： The SGA     a. Text and parsed forms of all SQL statements 
2： The cursor state   b. Run-time memory values for the SQL statement， such as rows retrieved 
3： User-session data   c. Security and resource usage information 
4：The stack space   d. Local variables for the process 
Which option has the correct match between the memory areas and their contents（）

You have issued a SHUTDOWN ABORT command to bring down your database instance. Considerthe steps that will be performed later when you open the database： 
1：SGA is allocated. 
2：Control file is read. 
3：Redo log files are read. 
4：Instance recovery is started. 
5：Background processes are started. 
6：Data files are checked for consistency. 
7：Server parameter file or the initialization parameter file is read. Which option has the correct order in which these steps occur（）