Seasons are celebrations.
 A year's a Ferris wheel.
 Both honor our world's habit
 of spinning 'round a star.
 Which one of the following sentences best expresses the main idea of this poem?
 A. The world has a habit of spinning around.
 B. Seasons and Ferris wheels are like Earth's journey around the sun.
 C. There are four seasons in a year.
 D. Season are celebrations, while a year on Earth is a habit.