I suggest either talking or emailing the person grading the exam or someone who could help you.
Answer:
The mocking bird could symbolize someone that is innocent and does no harm like Tom Robinson.
Explanation:
1. Your backyard is a Garden of Eden. (Biblical allusion)
2. I guess I should see this message about a new job as my burning bush. (Biblical Allusion)
3. When you feel betrayed by a friend, you can say, "You too, Brutus?" (allusion to Julius Caesar-Brutus betrayed Caesar)
4. You're a regular Einstein. (allusion to a historical figure)
5. When your parents learn about your new plan to raise money, it's going to sink like the Titanic. (allusion to a historical event)
