The correct option is A jump on the ground
The absence of neck helps the frog while jumping. Frogs use their hindlimbs for jumping and absence of neck aids the movement.
The bilobed tongue of the frog helps in catching the prey.
The frog uses its skin, the lining of the mouth and lungs to exchange gases with the surroundings. Its larval stage lacks lungs and uses a pair of gills to respire.
The webbed feet of a frog, enables it to swim in the water.