Interest rates in the United States have fallen in recent years. In terms of the loanable funds market, which combination of changes in the supply of and demand for loanable funds could best explain this?
A. A decrease in supply and a decrease in demand for loanable funds.
B. A decrease in supply and an increase in demand for loanable funds.
C. An increase in supply and an increase in demand for loanable funds.
D. An increase in supply and a decrease in demand for loanable funds