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:
George's decision to kill Lennie is reminiscent of when Candy's old dog was killed. Whether or not it was justifiable is a matter of opinion, but George's intentions were not doubt pure. George knew that Lennie would no doubt have an awful life even if he wasn't caught, for at that time it was very difficult living with a mental handicap. George wanted Lennie to die while happy.
Answer: B on edge : Swift criticizes landlords for exploiting families.
Explanation:
