The Answer is C
Because in the story Percy learns that Mr. D had cured Chris's madness
On the day of GD, dress in comfortable clothes clothes that are simply you.
Be confident but avoid being over confident.
Talk sense
Chickens or penguins! They look like birds since they're covered in feathers, have beaks, and feet similar to other birds, but they don't fly like most birds.
In easier words it means the supernatural cannot be evil nor it cannot be good