Câu 649: After heavy rain, you notice a large number of earthworms on the surface of the soil. What is the most likely reason for this? A. T...

Câu 649:   

After heavy rain, you notice a large number of earthworms on the surface of the soil. What is the most likely reason for this?

A. The earthworms enjoy the fresh air after the rain.

B. The rainwater forces them to come up for oxygen.

C. Earthworms only eat food found on the surface.

D. The rain makes the soil too cold for them to stay underground.