Answer:
An array of supplies, pencils, crayons, notebooks, erasers, and more, were required for the first day of class.
Step-by-step explanation:
Why it is letter (b) is because since it is all plural, we need to make the verb plural. So (b) is your answer.
An array of supplies, pencils, crayons, notebooks, erasers, and more, were required for the first day of class.