In Ectomycorrhizae, the Fungal Hyphae

In ectomycorrhizae, the fungal hyphae

A) enter the roots and penetrate the cell walls of the root cells.
B) form treelike growths on the outside of plant roots.
C) wrap around the root tips of the plant.
D) cause plant roots to become stunted and malformed.
E) invade the spaces between the vascular tissue cells of the plant roots.