A seems to be more correct, I assume!
The pre writing stage of the writing process include selecting a subject, setting a purpose and DETERMINING THE MAIN IDEA OF YOUR ESSAY AND ORGANIZING YOUR IDEAS AND FACTS IN A WAY THAT DEVELOP YOUR MAIN IDEA.
Pre writing stage is the phase of the writing process which involves gathering and selecting of ideas to write on.
The answer is definitely: "And so it piled up to the ceilings" since the author is using exaggeration as a literary technique to make the situation seem even worse than it is.
I hope this answer helps you :)!
The top one is the last one on your right
The middle one is the top one on your right
And the last one is the middle one from your right
