I think it's the 3rd one. Might be wrong though.
The most important rule of survival Brian learned in Chapter 8 was that "feeling sorry for yourself didn't work..It wasn't just that it was wrong to do, or that it was considered incorrect. It was more than that - it didn't work".
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.
Answer: The answer is write infront of you face ! A
