What Comprises the Money Supply as It Is Most Narrowly

Multiple Choice

What comprises the money supply as it is most narrowly defined?  

A)  coins and currency held by the nonbanking public, traveller's cheques, and savings deposits 
B)  all coins and currency held by the nonbanking public 
C)  coins and currency held by the nonbanking public, chequing deposits, and traveller's cheques 
D)  coins and currency held by the nonbanking public, chequing deposits, and savings deposits