C ask the aid to do something
It allows the reader to see how the character came to be who he or she is currently, it creates realism in the text, it creates tension between the narrator and the character, etc.
Answer: I think the author wanted to explain what dogs can and can't do.
Explanation:
I think this because the paragraph talks about how dogs can be so smart and then all of a sudden be chasing a tail that they're never going to catch for an hour.
