Identify the option with verbs that do not agree with their subjects.
beavers not only communicate with each other by making sounds with their mouths but also by slapping their big flat tails on the water. beavers creates ponds by building dams with roots, stones, sticks, and mud. the beaver’s social life is complex and focus around the female.
a. communicate, creates
b. creates, focus
c. communicate, is
d. making, slapping

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?