Refer to the Following Graph to Answer the Following Questions

Refer to the following graph to answer the following questions:
-Assuming the figure represents the market for loanable funds,and that point C represents 40 and point D represents 80,then it would be true that

A) both points represent interest rates and there is a surplus of loanable funds at an 80 percent interest rate.
B) both points represent interest rates and there is a shortage of loanable funds at an 80 percent interest rate.
C) both points represent the quantity of loanable funds and there would be a surplus of loanable funds of 40 units.
D) both points represent the quantity of loanable funds and at interest rate A there would be a shortage of loanable funds of 40 units.
E) the quantity of loanable funds supplied exceeds the quantity demanded at interest rate B,if B represents an interest rate.