Considering what I know about this book probably A.
You should put a screen shot and we can help you
She thinks that it is a god given gift and incest is ok
There would be a colon after the word phone
Well, using my limited knowledge, "cleaving" means to chop, break in half, split, etc. Twain means twice. So, perhaps it's like "you've broke my heart in half", something along those lines? hopefully this helps you.