I also agree it is the first two choices, the ones you have chosen.
Explanation:
The internal conflict is evident when she says things that are considered hurtful/mean and it causes her to feel both "slimy, horrible things inside her" but also a great relief/weight being lifted off of her to finally acknowledge these feelings.
The external conflict between the narrator and her mother are also evident by her writing her words to her mom, and her mom's verbal responses. "There's only room for the obedient daughter in this house."
