In the picture below, how could the man make it easier to lift the stone with the lever?

AUse two boards instead of one board.
BMove the fulcrum farther away from the stone.
CMove the stone to farthest end of the board.
DMove the fulcrum closer to the stone.

In the picture below, how could the man make it easier to lift the stone with the lever? A) Use two boards instead of one board. B) Move the fulcrum farther awa class=