How do the authors support the claim in this passage?

can you show me the drop down menu? ill answer it after you've done that. ill edit this i mean promise

explanation:

we need to see the paragraphs in order to answer this.

what are the options?

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.