Because Sarah made a wrong turn one to many times she was late for her party. The party was supposed to start at seven o'clock, but Sarah didn't make it until after eight, she knew that everyone was waiting for her but she couldn't get there any faster.
C. items written on the board are usually important, I believe that's the answer.
Answer:
The signal is a four note melody that Rue sings, and the mocking jays repeat the melody all around the orchard
Explanation: