According to the second paragraph, which of the following lines states a reason why moles are disliked?

A. The mole senses when a worm falls into a tunnel and can quickly capture and eat its victim.

B. To dig these tunnels, however, moles have to dig away the roots of grass and plants.

C. They loosen the soil and add nutrients that benefit crops.

D. Having a large infestation of moles may make your fields less productive and less healthy.