... why these birds choose a wooden box. The given answer choice ... why the birds prefer the wooden box to "highly concealing woody ... and open grasslands as the wooden boxes specifically wouldn't have ... feel much further than the wooden box vs nest builder assumption ...
Have you taken a PT yet, or are you just drilling individual problems/sets/games? When you take a PT, 7sage has some AMAZING tools to help you see where you're at and what you need to improve on.
Use wooden pencils! I usually study in a quiet room, but I've heard many 170++ people advise studying in a busy place, as you get better, so you can get used to distractions!