I can't answer this without knowing how our conscious awareness interacts with the neurological network in our brains. And this would involve defining what comprises conscious awareness, which is beyond the limitations of what mere words can explain. I just know that I am able to demonstrate my freedom by what I write in this post. As someone once said, words can reflect what is in the soul.
No, Alan, this isn't about the mechanism. And again I have covered this multiple times before, you need to stop answering the questions you think you see and read what is written.
So let's take it very slowly. Say the choice is whether to have coffee or have tea. There are things that happened before that may determine the choice but you want to discount those. There are possible random causes but you want to discount those. After those have been discounted what would lead to any decision?
Oh and I'd added the below to the post while you were answering
'Oh and while we are on this, if your god is choosing to tweak things to create an outcome, it is allowing the random changes knowing what effect they have, otherwise it couldn't be sure of achieving the outcome it wanted. Which is why the random change that caused Charlie Gard's hereditary problem was a choice of your god, and why you worship a thuggish murderer.'