The word that best describes to tone of the excerpt from "Zeitoun" is demanding, as seen in phrases such as "needs to be done," as is stated in option D.
The tone of a literary work reveals how the author feels about a certain topic, how he approaches it, or his attitude toward it. Tone is revealed through the words the author chooses to use.
In the excerpt from "Zeitoun," the tone is revealed through phrases such as "needs to be done" and "brick by brick." They show a demanding tone, that is, a tone that conveys the idea that something must be carried out, that there is no choice other than to make progress.
With the information above in mind, we can choose option D as the correct answer.
Learn more about tone here:
https://brainly.com/question/15447799
#SPJ1