The correct answer to this question is Stay home and get a job. There was audio included with this question to help answer it. Many students during summer choose to lay around and party all day. Paul is making the best decision on working during the summer because this will help him have money saved when its time for him to go back to school.
By working during the summer, Paul will have enough money for his books, supplies, tuition, and any room and board. This type of question would be found on an English test to test ones listening and comprehension skills.