Your answer is B. To move the reader toward the story's climax.
The caged bird singswith a joyous songof the captive life that kept it safe all along.This answer exemplifies the two birds: free and caged. Free in such a way that it is able to sing a song of its choice, and caged, because even if it is in captive it has something to be thankful for, its safety.
Answer:
they kept it a secret so they wouldn't know how old they where or when was there birthday because if they knew then they knew then maybe they would want a celebration or a day off work
