Text structure. Organization, vocabulary, and content all contribute to the way the text is formatted. The fluency could also be counted as content.
<em>Summarising is an important skill in academic writing. It enables you to extract the most important points from a text and rewrite them in your own words, in a shortened form. ... Being able to write a good summary also demonstrates that you have fully understood the text you are reading.</em>
C) Creating a list of famous Americans will help her choose a topic for her final paper.
(Not 100% sure but that sounds about right :))
The tone is the way the author expresses his attitude through their writing.
The tone can change, or stay the same way throughout the literary work.
Tone is expressed by your point of view, your diction, etc.
Hope this helped!