Students measure how much work it takes to lift an object two meters. They use an inclined plane that is 3 meters long, an inclined plane that is 4 meters long, and a compound pulley. Which statement is correct?

A. All three simple machines will require the same amount of work
B. The 4-meter plane will require the least amount of work
C. The 3-meter plane will require the least amount of work
D. The compound pulley will require the least amount of work