Read the dialogue and answer the question.
Elif: Hey, Ayşe! Are you coming to the study group after school? We are going to review the science chapter together.
Ayşe: Sorry, Elif. I have an appointment with the school counselor. Maybe next time.
According to the conversation, what is the reason Ayşe gives for not joining the study group?
A)She needs to prepare for another exam.
B)She has a meeting with her advisor.
C)She doesn't like science.
D)She prefers studying alone.