B seems as if it would be correct. Hope this helps!
Clear-right? Hope this helps xx
I believe that the answer to this question in D. I hope that help.
You did not provide the excerpt but in the end Jekyll was not able to permanently resist. It was implied that he was actually Hyde deep inside and that Hyde is the one who will overtake and he won't be able to come out again. In the end he dies as Hyde and people find out what happened out of letters that he sent while he was sane.
Both bc they all follow each other so it really depends on the person their with