Determine the appropriate style for each item by moving it into the correct category

the answer is c just took the test.

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

i would say the bible, because the bible is true and it gives you hope, happiness, and peace for the future and it gives you answers if you have questions, along with stories, and how the world is going to end