A. Oscillate
Step-by-step explanationlet's imagine a pendulum moves toward the other end of its swing, all the kinetic energy turns back into potential energy. This movement of energy between the two forms is what causes the oscillation
Oscillation is defined as the process of repeating variations of any quantity or measure about its equilibrium value in time.
so, the most accurrate answer is
A. Oscillate
I hope this helps you