D, I believe, since the others do not make sense if you read them.
Answer:
C would be the best answer!
Explanation:
It talks about the intelligence of a dog and how they are ranked.
Answer: The message of The Boy in the Striped Pajamas is that we are all more alike than we are different. The innocent friendship of the Jewish boy Shmuel and the Nazi's son Bruno, set against the horrific backdrop of the Holocaust, highlights the fact that divisions between people are arbitrary.
Explanation: I believe this is correct, hope this helps!