The answer is A, because the protagonist is the main character, and that's what Rider is. The other answers don't really make sense in terms of the role he plays in the story.
Hope I helped!
Moving to a new place can be tough on anyone, especially if the move is to a new state. At the start if a new move, you may think that many things will be different in your life, and that nothing will be enjoyable ever again. Your surroundings may have to change. Your good friends and favorite activities, however, do not. You can still maintain your friendships through a variety of technological ways, which may include talking on a cell phone, writing an email, and seeing a friend on video chat. Technology can help you stay in contact and be up to date with everything that your friends are doing. You can even continue doing your favorite activities, which might include sports. Most towns and cities have their own teams, leagues, or clubs for popular activities, So, you really don't have to give up what you love to do. Knowing that your friends and activities do not have to change can help you be more open to the idea of moving.
<span>The transition word in this passage is "but." Transition words (or phrases) connect ideas in writing, helping the writer follow a train of thought. They ease the transition between different statements, and when used properly, make reading easier. In this case, Janeczko brings the reader along from noting a state of peace between two factions to remembering that the peace did not eradicate suspicion.</span>