A Wave Travels Across the Water on a Lake, Heading

A wave travels across the water on a lake, heading northward. As the result of this wave's passage, water on the surface of the lake

A) moves toward the north by a distance that is proportional to the amplitude (height) of the wave.
B) moves back and forth but makes no overall movement.
C) moves toward the north continuously at the speed of the wave.
D) moves toward the north by a distance equal to one wavelength of the wave.