Yes. if you want to succeed in life you have to be positive.
A. is the most sensible answer tbh, the librarian is inside a library she/he wouldn't really pay attention to kids. Books on gender roles may be in there a bit but not completely since it won't really talk about what you're trying to search for. Articles on phycology definitely isn't going to helped learn about children on the playground.
D. Sarcastic
The authors best describes the passage in a sarcastic tone.
Answer:
Sentence two, "If my friend calls, tell them I'm at my violin lesson."
Explanation:
"Friend" is singular. "Them" is third-person plural.
