If D Equals the Maximum Amount of New Demand-Deposit Money $m = E / D$

If D equals the maximum amount of new demand-deposit money that can be created by the banking system on the basis of any given amount of excess reserves; E equals the amount of excess reserves; and m is the monetary
Multiplier, then

A) $m = E / D$
B) $D = E \times m$
C) $D = E - 1 / m$
D) $D = m / E$