Read the excerpt from "Object Lesson, Part 2."

And there it was. There it was!

This strip had been cut from the top of the comic sheet. On the margin appeared the name of a New York newspaper and the date April 24, 1955.

How does the author add tension in this excerpt?

a.with the protagonist’s conflict
b.with an unexplained idea
c.with a sense of urgency
d.with an obstacle to achieving a goal