Which of the following sentences include a fragment?

"Her new born always gets hungry. During the night."

Explanation:

This includes a fragment because the phrase "during the night" contains no subject or verb.

the answer to the question is a

it is the background information on the characters and setting explained at the beginning of the story. the exposition will often have information about events that happened before the story began. the exposition is often the very first part of the plot.