B
Below is a question with multiple-choice answers. Choose the correct option based on your reasoning.

### Question:
A handheld sewing machine uses a battery to make a needle move. The needle goes up and down quickly. Which energy change is taking place?

### Choices:
A. Motion changes to chemical energy.
B. Stored energy changes to motion.
C. Electricity changes to stored energy.
D. Heat changes to electricity.

### Answer:
