What does the program print out as a result of the given snippet of code?

supplies = ["pencil", "notebook", "backpack", "calculator", "pen"]
print(len(supplies))

a. 5
b. 8
c. [‘backpack’, ‘calculator’, ‘notebook’, ‘pen’, ‘pencil’]
d. [‘pencil’, ‘notebook’, ‘backpack’, ‘calculator’, ‘pen’]