Which Description Best Indicates a Fall in Interest Rates

Multiple Choice

Which description best indicates a fall in interest rates?

A) This would be shown by a downward movement along both the demand and supply curves for loanable funds.
B) This would be shown by a downward movement along the demand curve for loanable funds but in a leftward shift in the supply curve for loanable funds.
C) This would be shown by a downward movement along the supply curve for loanable funds but in a rightward shift in the demand curve for loanable funds.
D) This would be shown by a leftward shift in the supply curve for loanable funds but in a rightward shift in the demand curve for loanable funds.
E) This would be shown by an upward movement along both the demand and supply curves for loanable funds.