The correct answer is D. Antithesis.
All of the other options represent other figures of speech which are not even similar to what you described in your question.
Answer:
Unskilled employees, Struggled, In dangerous conditions.
Explanation:
"In the early days of the industrial revolution unskilled employees often struggled for long hours In dangerous conditions."
You could start it with a question.
Like... “Is it right for a certain book to be banned because of a valid reason?” Or “Is it right to ban ANY sort of book from the public?”
Make the reader want to continue reading. Your thesis is supposed to catch the attention of someone.
I hope this helps. Let me know if you need more ideas!
~Brooke❤️
