I’m not 100% sure, but I believe the answer is D.
Hope this helps! ^^
Answer:
A. A sense of pride
Explanation:
He finally accomplished something he dedicated his life to, so he feels proud to have done it.
I believe the answer is: Examining age at first arrest as a predictor of adult criminal history.
Regardless of their actions, prisoners still had the same right as any legal citizens, which mean they cannot be forced to become a subject of research that might compromise either their psychological or physical well being. Examining age usually can be done simply by reading the prisoners' document.