Read this excerpt from "Just Another Sunday." "What do you know?" Pete said. "Mr. Soccer with his fancy jersey." My mom had just bought this new soccer jersey for me. At the start of the day, Jay had said how much he liked it, but now he was laughing right along with Pete.

Why does the author most likely include this plot detail?

to show that Pete does not know how to play soccer
to show that Pete is trying to get attention by telling jokes
to show that Pete does not like to wear nice clothes like the narrator's
to show that Pete is undermining Jay's friendship with the narrator