Read this passage from The Secret Garden. Then Mary knew Dickon had meant 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 missel thrush. Oh, how she did like that queer, common boy!

Which theme is best developed by this passage?

A)Happiness depends upon 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