The interest-rate-based approach to the monetary policytransmission mechanism says that a change in the money supplyinfluences aggregate demand by

A: a change in interest rates, which changes investment.

B: a change in interest rates, which changes the moneysupply.

C: changing consumer consumption behavior as they adjust to achange in the number of dollars available.

D: leading to shifts of the short-run aggregate supplycurve.