This can be looked at in two ways. It can be looked at as an answer, "Where is the tree." "Over the Cracks in the sidewalks", or it can be looked at as a sentence standing alone which is what I believe is happening.
It is A.) Sentance fragment
B, contributes to the lines dramatic effect.
I would say D, but only sure 90%.
Answer:
It was quite a short book I read it in a day
