You can do it just read it on your own and if u want me to answer it just inform me :)
B.
Not A. because it isn't only for solving simple problems.
Not C. because it CAN work well with personal or school problems.
Not D. because you can't solve a problem before their is a problem.
I hope this helped.
You know it’s a folk tale because we all know that nobody is going to arm wrestle an octopus. It’s just something unrealistic.
My best guess would be, "B", "Grammatical conventions were much different then."
Uh no pls don’t use this amazing app to self promote