The correct option is THE WORD CHOICE DARKENS THE TONE.
From the passage it can be seen that the author took care to use words that will arouse and sustain the suspense of the readers. The word choice in the excerpt gives the passage a dark tone that will raise the curiosity of the reader about the eventual outcome of the event stated in the passage.
1) He is opposed to tbe idea of hunting humans
___________________________
In the passage is says ""But you can't mean_" Gasped Rainsford." He's surprised that General Zaroff actually intents to hunt humans.
Good luck,

True, you want them to understand you as easily as possible and they will not know slang, etc. if they speak little english
Indroduction - Washing our hands is essential to
prevent the spread of infectious
diseases.
Body - Germs pass from our hands to our
mouths when we handle food with
unwashed hands. A number of infectious diseases such as
influenza, hepatitis A, or gastroenteritis
can spread from one person to another
through touch. A good practice is to wash your hands
with liquid soap for 15 to 20 seconds
or longer.
Conclusion - You can now see how just a little time
spent washing your hands can save
you from some major illnesses.