A or b but I would go for A
Answer:
Buck becomes a leader primarily because of the recognition he receives from others, human and non-human. And that is the key to Buck's transformation from being some kind of sultan in sunny California to a leader of any pack worth its salt, in which he exercises with camaraderie, respect and courage
They are sometimes factual
Take it in steps. Make sure you have periods first. Then check Capital letters. Then spelling. don't do it all at once! Makes it more confusing!