Why do so many errors occur in the writing process?
a. the mind tends to see what we intended to write
b. the mind works faster than our typing or writing hands
c. the task includes many different tasks and skills at once
d. all of the above

I know I am a victim of doing the first because I leave out words that I thought I put and I left them out.
I can see the second because you are thinking of what u wanna type next and might forget something
The third is reasonable because the task may be asking for multiple things and you may forget a key part