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

### Question:
A pan of soup is being heated on an electric stove. A metal spoon is used to occasionally stir the soup. Which of the following is an example of heat being transferred by convection?

### Choices:
A. heating the pan
B. heating the soup
C. heating the spoon
D. heating the stove burner

### Answer:
