Answer:
D) All of the above
Step-by-step explanation:
The back and forth motion mentioned over here refers to the retrograde motion of the planets. Basically, the Earth is going around the Sun and othe planets are also going around the Sun.
When you observe planets regularly you will find that the stars are moving back and fourth in the same star field. This occurs due to planets' own elliptical orbit and different orbital speed of Earth and the respective planets.