D because you test it before selling something. I hope is correct :D
Answer:
She is new.
Explanation:
Ana's friend was impressed by Ana because she was the new girl at school and she was nice but she wanted to make too many friends because she was a bit introverted. That's why Ana's friend felt confortable being her friend.
Bien,<span>
B. Estudio
</span>b es la respuesta<span>
</span>