As observed from the earth, the sun appears to move in an approximate circular orbit. For the motion of another planet like mercury as observed from the earth, this would

• A

  be similarly true

• B

  not be true because the force between the earth and mercury is not inverse square law

• C

  not be true because the major gravitational force on mercury is due to the sun

• D

  not be true because mercury is influenced by forces other than gravitational forces