Which group of words is a sentence fragment?

a.
i enjoy going on camping trips with my family.

b.
we often go to sleep in our tents once it gets dark.

c.
my favorite part of a camping trip is roasting marshmallows.

d.
while we wait for the sun to rise.
question resources

How is the freytag's pyramid not related to the conclusion of the story? a) according to freytag's pyramid, the exposition consists of the conclusion of the story. b)according to freytag's pyramid, the exposition consists of the climax. c)according to freytag's pyramid, the exposition consists of the introductory material. d)according to freytag's pyramid, the exposition consists of the falling action of the story.