If you already know which of the answer options is the correct answer, ideally you should eliminate the incorrect options anyway. By eliminating incorrect options, you will be able to stay focused on your answer, avoid confusion and keep your answer concise, avoiding mistakes and leakage.
Answer: Since these sentences have a passive tone instead of exclamatory (an example), it keeps the reader calm rather than on their toes and anxious to see what happens next. Hope this helps!
