I've never seen the video before, But I will give my best guess on this matter. I believe that your correct answer may be "<span>a visual that demonstrates how some bacteria may survive antibiotic treatment". This would be my best guess.
<span>The correct answer is
letter d. It is hopeless because when the child would get used to this practice
and would arrive to a time where he or she will not get something from it. In
addition, it would make a child feel remote and alone which would affect his or
her confidence in the long run.</span>