I think ‘got’ sounds better, but I’d rather my sentence be correct than pretty.
My sentence: The things she’d told him couldn’t be got out of her by just anyone.
Is ‘got’ correct or should I use ‘gotten’?
The things she had told him couldn’t be got out of her by just anyone.
It is just a matter of usage. Both are correct.
The Americans might use gotten and the British might use got. But gotten is slowly creeping into the British Usage too.
Here is a link to show the difference.
Here is another link to make things clear.