In "the stone," how does madrona react when maibon gets the stone from doli?

a. she gets angry because she thinks that maibon is being both foolish and selfish.

b. she gets confused because she thinks that maibon is going to go to live with doli now.

c. she is thrilled because she thinks that she too will be young forever.

d. she is worried because she has heard that the stone brings sadness to all who possess it.