Answer:
C - Socially and morally
Explanation:
The author makes readers to understand the importance of friendships and effect on some teens. Most of which are not defined by their parents or guardians.
She describes social media as a world and medium of exchange of information, ideas and even problems which later shapes the behavior of some teenagers.
Thus the development, or growth of some teens are shaped by an influence due to friendships. She points out that friendships affects the growth of teens majorly socially and morally.
