By watching the other dogs and understand what the laws of the wild mean.
He learns there is a hierarchy among dogs. he learns that he has so hold his position to survive.
I think it’s d but correct me if I’m wrong
A: It shows his death, which would be the end of his life/biography
<span>a word, letter, or number placed before another. (noun)
or
</span><span>add (something) at the beginning as a prefix or introduction.(verb)</span>