Yea the correct answer here is the option D.
Spitz is a leader of the pact, he is the alpha dog, but he is also cruel and not a very likeable dog. He is the last stepping stone for Buck who needs to become a pack leader. In this excerpt we see that with the aggressive style and violence true teamwork is impossible to achieve and here we see that on the example of Spitz.
I believe it means "character attributed to someone".
Answer:
Then he went off from door to door until his following had grown to twelve."
Explanation:
I hope this helps
