I think the answer is B or D
They're probably looking for false, but to be honest, I use it in my writing sometimes. It depends on the setting and character, or it should be specified as slang in nonfiction writing.
I think the theme of this book is Friendship<span>, Power and </span>Language<span>.
the problem in the story was
</span>a fifth grader who dislikes his teacher. He invents a new word that all of the children love but the teacher andschool authorities<span> dislike. His word eventually gets included in the dictionary, but the</span>initial conflict<span> it causes is the book's central problem.</span>