It is A. Documents that were written in the past. It is in the past therefore part of history... (had to add some extra words to give the answer lol)
The only word I'm seeing that could be an adjective is the word "old".
(Correct me if I'm wrong, thanks!)
Have a great day!
Of what story can you show the paragraph??
Answer:
I think the opposite is loose
Explanation:
Because responsible is being able to be trusted to do a task right? So loose would be the opposite since if you're loose(crazy,out of control,ect) you wouldn't be trusted as being responsible