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’]