Answer:
D. It provides an example of an important face-to-face social interaction the author had.
Step-by-step explanation:
If you read the passage carefully, you will see where it quotes "This was my first sustained encounter with an adult outside my family who needed to be convinced of my wourth as a person.". This right here should give you a clue as to what the correct answer to this question is.
I am joyous to assist you at any time.