Are Outstanding Credit Card Balances Counted as Part of the Money

Are outstanding credit card balances counted as part of the money supply?

A) No; credit card balances reflect funds that have been borrowed. Unlike money, they cannot be used as a means of payment.
B) Yes; they are used to purchase things and therefore they are included in the money supply figures.
C) They are included in the M1 money supply, but not the M2 figures.
D) They are included in the M2 money supply, but not the M1 figures.