The answer is A. because there is a comma after and
It's known as abstract nouns
Answer:
When Bruno's father raised his hand, it clearly showed his sign of authority, and that he had a high ranking in the "Fury's' army. This tells us that Bruno doesn't know what is happening just a little bit beyond the fence, and he is blindly following his father.
Hope this helps!
I believe it is C), leaders. :)