When Observing Planetary Motions from Earth,the Phrase "Retrograde Motion" Refers

Multiple Choice

When observing planetary motions from Earth,the phrase "retrograde motion" refers to

A) the motion of the planet away from Earth during part of its orbit.
B) a slow eastward motion of the planet from night to night against the background stars.
C) the apparent westward motion of the planet (along with the Sun,Moon,and stars) across the sky due to the rotation of Earth.
D) a slow westward motion of the planet from night to night against the background stars.