Answer:
White Fang?
Explanation:
The wolf cub was different because it was the only pup from the litter to take after their father by having grey fur instead of reddish brown. He is fiercer and more determined, he wants to explore the surrounding area and he's motivated to learn more about his new life, especially the light.
It means having luster shinning which means his smile was shining
The answer is a. To show that even seemingly eternal things are temporary,