My friend got 20 bucks one time
Answer: Savagely fierce, cruel, or violent.
Example: "The wolverine is nature's most ferocious and violent animal."
He lay on his back and began to pass his life in review in quite a new way.
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 <<<<<