I could topple over those stacks of books if you don't move them!
Answer:
Wait what exactly we are supposed to do
A. building tables,
because I'm not sure how that will exactly help you in studying. However, in my opinion, the other three seem able to work.
Sorry if this answer is kind of late, but this is the first time in ages since I've logged on. Have a good night and life though! :3
Although, a wasp's sting can ward of some kinds of predators.
