That’s the answer so go to it
Answer The man never killed anyone. Your question is without merit.
Explanation: He was incarcerated for 6 years for drug possession. He desired an education, which was deemed by the guards of the prison to be dangerous. So, the last 3 years of his sentence. He was put in isolation on death row.
We know it's not A.) because that's not what they are talking about. We know it can't be B.) because the author is not persuading us (the readers) to do anything. Between C.) and D.) the only one that makes sense is D.