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

### Question:
When large areas of the rainforests are cleared and burned, climate can be affected. Which best explains how rainforest destruction can contribute to the greenhouse effect?

### Choices:
A. by threatening native plants and animals
B. by increasing the rate of soil erosion
C. by increasing the water levels in oceans
D. by releasing carbon into the atmosphere

### Answer:
