Which of the Following Is an Illustration of the Backward-Bending

Which of the following is an illustration of the backward-bending supply curve?

A) Alex Maxwell is cutting down on the number of hours he works a week because the wage rate he receives has increased.
B) Tim Duncan's wage rate is so high that he cannot stop working (playing professional basketball) even though he would like to retire.
C) The more Patrick Roy works, the higher is his opportunity cost.
D) Steve Hymer quits work because he feels that the employer is paying him a wage rate below his MRP.
E) Unskilled workers who do hard (back bending) work earn wages that are considerably below average.