Les
what is the narrator's stated "proof" that he is not insane?
that he was nice to the old man, and treated him well
that he went about his actions quite methodically, not in a haphazard
manner
that in spite of appearances, he had no murderous intentions with the old
man
that he might have been deceitful with the old man, but it was for the
man's own good

if you are so proud of yourself you will be as good as a lawyer dog

hello!

your answer is a. ethical, emotional, and rational.

in order for someone to believe what you say it has to be ethical (morally correct). it should appeal to their emotions, and it must be rationally approving.

also, the other answer is incorrect.

hope this !

mark me brainliest!

have a great day!

~courtney

op: object of preposition