Which sentence below contains an incorrect verb form?

Barry plays bass and feels that his talents are under appreciated by the other members of the band.
B.
The name of the band comes from a reference in the movie Feris Beuller's Day Off.
C.
The band is called Cameron's Dad, and they have been performing together for the last two years.
D.
Barry's band perform for a group of paying customers every time they play at Filits.

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

How do the excerpt and diagram complement one another?

Who are the antagonists in the story "ali baba and the 40 thieves", and are they're bad guys?