PLEASE HELP!!!

THIS IS FOR 10 POINTS!!!

As we look up into the night sky, the moon and stars appear to move from east to west. This is because we are

Awatching the sky rotate overhead, from east to west
Bviewing them from the surface of the rotating Earth
Calso moving on Earth in the same direction, east to west
Dorbiting on Earth around the Sun and nothing is really stationary