I think it is A because you are learning that Liz likes hiking. And you know that in the story Liz will be hiking mountains and something is going to happen.
Eight that is how u spell it, in slang text u can just say ate or 8
You wrote;
"Hello I am Angelica. What are you?"
Therefore, just change
'너 뭐야?' to "<u>잘 지냈어요?</u>"
which means, "How are you?" or "How are you doing?"
Yes biggest pet peeve if their on their phone while being together
