Read this excerpt from "The Roller Coaster."

A chorus of hoots and hollers rose from the throng of students, and several of them turned to the person standing next to them for a high five. Excited whispers darted through the air around Cecelia’s head like a school of fish.

Which best describes the figurative language in this excerpt?

A simile compares students’ whispers to a school of fish.
A simile compares students’ running to a school of fish.
A metaphor compares students’ high fiving to a school of fish.
A metaphor compares students’ yelling to a school of fish.