I think it's D. Or I will become engulfed with all I did or did not do, with what should have been and what cannot be helped. :3
Answer:
yes
Explanation:
because if they have drugs in their system its extremely bad.
I would say A because it sounds correct if you say t out loud. If you say it with b or c it doesn't sound as normal.
The correct answer is D. exercise.
Hope this helped you!