Here's a problem to solve: Approximately 59% of the Moon is visible from Earth because the Moon rotates and revolves in the same period. Which most likely causes this phenomenon?

Among the 4 following options, which is the correct answer?

- A: the gravitational pull of the Sun
 
- B: the gravitational pull of Earth
 
- C: the composition of the Moon
 
- D: the phases of the Moon
 