Retrograde Motion Is Seen When ____________ Due to the Earth's

Retrograde motion is seen when ____________ due to the Earth's motion.

A) stars change their position in the sky with respect to background stars
B) stars rise in the west and set in the east
C) planets rise in the west and set in the east
D) planets change the direction in which they wander across the night sky
E) planets orbit the Sun in the opposite direction