Why Is It Beneficial to Plants That Soil Particles Have

Why is it beneficial to plants that soil particles have negatively-charged surfaces?

A) It helps maintain the water potential of the soil.
B) They attract positively-charged ions and prevent them from being washed deep into the soil.
C) Negatively-charged ions are pushed towards the roots.
D) Toxic metals are trapped and kept away from the plants.
E) They capture negatively-charged ions.