B because they murdered it and praise themselves
"I" is in regards to yourself, you and any humans name are proper nouns that you go by. "a" is not a proper noun it is describing the quantity or the subject of the matter, Ex- [I] love it when [a] cool summer day takes place in my area.
{Bad sentence, sorry}
Because he filled mercy for her/him
Villian...
i can make up a story and send it to you on email or something !,
good luck tho