You were sorted at eleven. You have not been eleven for a very long time.
The Hat took about four seconds over you. It was working with a child who had never had a job, never lost anyone, and never once had to decide something that mattered at two in the morning.
It was probably right at the time. The question is whether it would still say the same thing.
Twelve questions. None of them are about which Hogwarts ghost you would befriend.
First
Where did it put you the first time?
If it has genuinely gone, say so. You can fill it in afterwards if it comes back to you.
The Hat is taking its time