Select the correct answer. Jay bought a toy car. To make the car move, he must turn a key attached to a spring. Turning the key winds the spring tight. The toy car moves when the key is released and the spring unwinds. What's the main transformation of energy in this example? O A. chemical energy to electric energy O B. chemical energy to motion energy O C. electric energy to motion energy O D. electric energy to potential energy E. potential energy to motion energy