A、Being rejected by friends and teachers. B、Staying away from his native land. C、Adapting to new study expectations. D、Keeping a

College is an exciting word, but also a terrifying one. After months of endless applications, emotional acceptances and rejections, and difficult decisions, you’re finally ready to pack your bags and go. (19) As your departure date draws closer, you’re probably suffering from some serious pre-college anxiety. You’ll have to make new friends, adjust to new academic expectations and learn how to live away from home.
    (20-1) When you’re nervous about something, the best way to feel better is to talk to someone who’s been through it and survived. And no matter where you live, there are sure to be tons of college students coming home for the summer.
    Even if you don’t have close friends who are in college, there are still plenty of people you can talk to. For example, friends of your older brothers or sisters, people who were in the school musical society with you or played on the same sports team, etc. (20-2) If you work a summer job, there are probably college kids being around somewhere. Let’s see if you can start up a conversation with them while you’re eating ice cream or on break.
    These students are your most reliable resource for what college is really like, from schoolwork to clubs to dining to parties. (21) Remember, though, that every college is different, and that traditions and customs at your friends’ schools won’t necessarily apply to your experience. Just because your friend’s entire school participates in a naked midnight run doesn’t mean you’ll have to do the same!
Questions 19 to 21 are based on the passage you have just heard.
19. What might one worry about before going to college?  
20. What can one do to reduce nervousness before going to college?
21. What does the speaker suggest in the end?