What should a bus driver check after the passengers boarded the bus and before starting to drive?

1. That all the passengers paid the fare in full.
2. That all the passengers are seated.
3. That the fare is paid in full during the ride.
4. Correct answer: That the bus doors are closed.

WhyAfter boarding and before moving off, the driver checks that the doors are closed. Driving with a door open is not allowed.