In tell tale heart, What does the narrator want people to think about him? AND.. SORRY

Select the piece of evidence that best supports your answer in #1.

I heard all things in the heaven and in the earth. I heard many things in hell. How, then, am I mad?
b
I made up my mind to take the life of the old man, and thus rid myself of the eye forever.
c
TRUE! --nervous --very, very dreadfully nervous I had been and am; but why will you say that I am mad?
d
It was a low, dull, quick sound --much such a sound as a watch makes when enveloped in cotton. I gasped for breath --and yet the officers heard it not.