"Please review our suggestion for paving over the muddy area where students wait before school" is the one revision among the following choices given in the question that <span>makes the tone of the sentence appropriate for a formal e-mail. The correct option among all the options that are given in the question is option "A". </span>
A)Please review our suggestion for paving over the muddy area where students wait before school.
Option A has the correct revision for a formal email. It states the topic without using any informal tone or voice. Option B is informal because of the introductory phrase "you now" and the vagueness of the observation "it's gross." Option C is informal due to the words "awesome" and "gross". Option D is informal because of the use of the word "obviously" and "smart".
Dr. Lanyon has learned damaging new information about Dr. Jekyll. I know this because after Utterson asks if Lanyon has seen Dr Jekyll, his face changes and he says he never wants to see him again.