The Sun and Moon Both Have an Effect on the Tides

Multiple Choice

The Sun and Moon both have an effect on the tides. Which one has the larger effect, and why?

A) The Moon, because its force differs more between the surface and center of the Earth.
B) The Sun, because its force differs more between the surface and center of the Earth.
C) The Moon, because it exerts a larger force on the ocean.
D) The Sun, because it exerts a larger force on the ocean.
E) Both the sun and Moon equally affect the tides.