What might happen if you heard an Idiom you weren't famillar with?

A. You'd be able to deduce the Idiom's meaning from the
literal meanings of the words

B. You'd have trouble figuring out what that Idlom meant

C. You'd have to assume the Idiom's words had opposite meanings

D. You'd have to consult a dictionary

Read this passage: byron and mitch are co-captains of the mathletes, their high school's academic team. they are backstage with the five other team members, preparing to compete in the state math quiz. byron sits on the floor with his eyes closed and his earbuds in, listening to classical jazz, which him focus his mind and energy. suddenly, he feels a presence beside him. he opens his eyes to see mitch staring at him. "mathletes! mathletes! " mitch chants loudly. mitch gives byron a thumbs-up and then proceeds to strut around like a peacock, high-fiving the other team members, as byron shuts his eyes again and does his best to refocus his mind which statement best summarizes the passage?