How does the statement, "She pranced around the whole room with a huge grin plastered on her face," contribute to the meaning of the passage?

 A. It explains the reasons behind Stephanie's nervousness
. B. It tells the readers about Stephanie's excitement upon receiving an acceptance letter from the university. 
C. It tells the readers about Stephanie's active lifestyle.
 D. It explains the reasons behind Stephanie's decision to move out of her house and study in Pittsburgh.