https://www.sparknotes.com/lit/flies/section12/
Well if she cheats she will probably get caught on some sort of CCTV (camera) if not by some staff. If she doesn't cheer them she will fail and everyone will go 'boo hoo' ( if u get what mean) The main issue is that she will force herself to cheat and waste time getting her cheat notes ready shares she can revise.
If you accept either C or D as the correct revision then you have to accept both of them. Hence the best way to treat the sentence is to ignore both of them.
B is not correct either. You can over punctuate.
That leaves A.
Sometimes the right answer to many things is to do nothing. My dad used to say "Don't fix what isn't broke."
A is the answer <<<<<
Answer: In Tokyo im with my ghouls