Given the task definition and input, reply with output. In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to build strong friendships in school [title] Make some friends. [step] Meeting new people can be difficult, but you just have put yourself out there and be your charming self. This involves being brave and approaching new people and maybe even stepping outside of your comfort zone a little bit. <sep> (A) Having new people in your life can really boost your confidence and it can also make you a lot more popular. If you make a lot of new friends, the first step to building strong friendships in high school is to find people who are friendly, kind, and are dedicated to being popular. (B) It's great that you find someone you can turn to for advice, but that doesn't mean you have to only talk to that one. Keep in mind that some of the other people in your circle are probably better friends. (C) Your friends will get to know you better, and you'll feel more confident in yourself. [substeps] If you're a girl who's over 21 or just left home, having some friends is a great idea. (D) [substeps] To meet new people, join after school activities or be social in class by offering to answer questions and helping others when they don't understand the material you're learning. In the halls or during lunch, walk up and talk to strangers and try to find some common ground to build upon.
D