Read the following passage:

"what's this? " he whispered to himself. studying the key, he realized that he finally found it. "this is it! the key! need to get back. now." running to the house. jumping over the log. "must open the box. save the world."which best describes the effect that the use of sentence fragments has on this passage?

a. it slows the pace of the story to create tension.

b. it speeds the pace of the story to create a sense of urgency.

c. it adds emphasis by capturing the character's unstructured thoughts.

d. it makes the writing more realistic by mirroring the character's emotions