Which best describes the irony in the ending of " charles "? a- the lighthearted tone of the story suddenly shifts as the narrator and readers are shocked by the truly terrible news given at the end of the story. b- the humor disappears as the narrator and readers learn that the kindergarten teacher is the mother of charles c- the narrator and readers are surprised when they find out that laurie is responsible for all the bad things he said charles didd- the narrator and readers are concerned when they learn that charles hurts other children in the class