Eva,age 15,insists That She Is Going to Spend Her Summer

Eva,age 15,insists that she is going to spend her summer vacation with her best friend at the lake house owned by the friend's family.Eva does not want to go on the vacation that her family has planned and says that they can't make her.Her parents should understand that Eva is

A) asserting her autonomy.
B) challenging her parents' authority.
C) closer to her friends' parents than her own parents.
D) A or B