A、The other majors don’t provide any tuition scholarship. B、The academic advisor offers her this advice. C、She is interested in

W: Uh, Dad. Are you going to miss me when I leave for college?
M: Of course. But, let’s go over the to-do list. Did you pay your tuition and housing fees by the deadline?(19)If you don’t,  you’ll lose your class schedule, and you have to register all over again.
W: Yeah, I did.
M: Okay, did you sign up for the meal plan at the university?
W: Yep. (20)But Mom said I could take some food from home to get me started.
M: Okay. And you should set up an appointment to meet with your academic advisor to help you select future classes. Business administration will be a great major for you.
W: Well, Dad, I changed my major.
M: You switched your major?
W: Yeah. After talking it over with Mom, I’ ve decided to major in Wildlife Science.
M: What?
W: Yeah. I want to get a degree in Wildlife Science. (21)I’ve always been interested in working with nature. And I am qualified for a two-year, full tuition scholarship.
M: Wait.
W: I can even go on to graduate school and further my education.
M: Graduate school. . . what’s next?
W: Thanks for the credit card. And I just tried it out to make sure it worked, and I had no problem buying my new laptop computer. Uh, Dad, where are you going?
M: Uh, I’ve decided to enroll in night school to get another degree. (22)That’s the only way I’m going to pay for your college.
19. Q: What will happen if the woman fails to pay her tuition and housing fees in time?
20. Q: What will the woman probably eat at the beginning of the college life?
21. Q: Why did the woman change her major to wild life science?
22. Q: Why does the man decide to study in night school?