Read this passage from the Secret Garden. Then Mary knew Dickon had met the picture to be a message. He had meant that she might be sure he would keep her secret. Her garden was her nest and she was like a missile thrust Oh, how she did like that queer common boy!
Which theme is best developed by this passage?
A. Happiness depends on helping others
B. The secret garden is a place for healing and growing.
C. Secrets are dangerous
D. The secret garden is a magical place.