I think it’s “the newest” or “newest”
I think the answer is pun because the sentence has to do with legs.
Mad hatter-believing his family died at Horovendoush day
I’m not sure abt the door mouse
Queen of hearts- her sister lying abt who ate the tart and hitting her head.
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.