What choice best describes the word report

Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel? mark this and return save and exit

Which is these is not a benefit of parallel structure? a)clarity b)classification c)emphasis d)balance

If you wanted to figure out a topic and some details about that topic you would want to use a ?