which these steps occur?

You have issued a SHUTDOWN ABORT command to bring down your database instance.
Consider the 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 opened. 4. Instance recovery is
started. 5. Background processes are started. 6. Data file headers 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?

A.
7,1,5,2,3,6,4

B.
1,2,3,7,5,6,4

C.
7,1,4,5,2,3,6

D.
1,7,5,4,2,3,6