The underlined word is a complete subject. So, the best option is A.
The answer to the question is A. It wants me to write a long sentence even tho I don’t want to so I will repeat myself and say it is A
Answer:
E
Explanation:
It is talking about how Tom shouldn't be getting killed but he was because of discrimination and unfairness of class.
It would be the first option, but i believer there should be a comma. but yes it’s the first one