The answer is D because each story involves the topic of knowledge and good doesn't overcome wickedness in each story. Choices A and C doesn't even relate to any story listed. Therefore, D is the best answer.
The best example of a primary source among these options that you've mentioned is an interview with her dad who is a Vietnam veteran. She can get all the details she needs from a person who was actually there.
Dudgeon jeudi kakis kilomètres classes jésuites d’histoire l’ensemble juste
