Answer:
D.
Step-by-step explanation:
A, it seems to be more about two siblings, not friends.
B. its the complete opposite of that
C. In passage 2, family is never mentioned
D. A little girl who wants to be like her older sister (assuming it's a sister) and a boy adventuring out into the world, turning into a man.
There is a possibility it could be A, but it's more likely to be D.