While dusting a carpet, we give a sudden jerk or beat it with a stick, because

Options

A. inertia of rest keeps the dust in its position and the dirt gets removed as the carpet moves away.
B. jerk compensates for the force of adhesion between the dust and carpet and the dust is removed.
C. inertia of motion removes the dust.
D. no inertia is involved in the process, it is simply due to practical experience.