Answer: i think the answer is D considering how he interviewed 20 people and 4 picked comedy and sci-fi so we would multiply 4 by 5 since 100 divided by 5 is 20 those answers would be times 5 if it were to be 100 people
Edit: i checked it and if you multiply all of those numbers by 5 it equals out to 100 Good luck on your test!
I think you should delete it because as you said it is distracting you. I think you should just focus on your studies if that is the most important thing to you