Shaquita is sitting on a bench watching two bikers ride by her in opposite directions. Which of the following statements is correct?

AThe relative motion between her and the bench is greater than the relative motion between the bikers.

BThe relative motion between the two bikers is greater than the relative motion between her and either biker.

CThe relative motion between her and one of the bikers will be greater than the relative motion between the bikers.

DThe relative motion between one biker and the ground will be greater than the relative motion between that biker and her.