A tie
a tie to someone you can hold on,
a tie can be broken
Answer:
Because you don't want to get diseases.
Explanation:
Let's say you'd want to travel somewhere. You'd have to get the vaccine to keep from getting sick.
B, the whole point of a test, exam or assessment is to see how much you know; it is never about judgement. Just because someone doesn't pass a test, it doesn't mean they are dumb.
They're both definitely unreliable, but the second answer(B) it doesn't seem like the narrator of "The Black Cat" seems insane, so I'm gonna think its D. I might be wrong though...