In the buku when Elena woke up as a vampire what happened? which brother was she dating? did she choose Damon after? srry to ask but please can someone tell me i'd be so greatful :D

i don't remember very well, she was still dating stefan but when she woke up she was in Cinta with damon, she was strange in the first half of the book, always hanging out with damon, and when she came back to her usual self she realized that she loved them both. At the end of the book she dies without making a choiche