D) find a meter that sounds like a metronome.
(Hope I could help! Let me know if I made a mistake!) :)
The answer is A. hope this helps.
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.
Answer: best answer for this is False
Explanation: if you always think you are going to fail with something, you can never have the mindset that you will succeed. so it always has negative thinking instead of positive.
