Which of the following statements regarding the duration of day and night is correct?

Options

A. Difference is least near the Equator and progressively increases away from it
B. Difference is maximum at the Equator and progressively decreases away from it
C. Difference is least at the Tropics and progressively increases towards the Equator and Poles
D. Difference is maximum at the Tropics and progressively decreases towards the Equator and Poles